Revert 136573 - Extract StartupTabs and startup types from StartupBrowserCreator.

chrome/browser/ui/startup/startup_browser_creator.cc

Index: chrome/browser/ui/startup/startup_browser_creator.cc
===================================================================
--- chrome/browser/ui/startup/startup_browser_creator.cc	(revision 136581)
+++ chrome/browser/ui/startup/startup_browser_creator.cc	(working copy)
@@ -9,9 +9,9 @@
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
-#include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
+#include "base/event_recorder.h"
 #include "base/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
@@ -33,9 +33,15 @@
 #include "chrome/browser/component_updater/recovery_component_installer.h"
 #include "chrome/browser/component_updater/swiftshader_component_installer.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "chrome/browser/defaults.h"
+#include "chrome/browser/extensions/extension_creator.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/pack_extension_job.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/net/crl_set_fetcher.h"
+#include "chrome/browser/net/predictor.h"
 #include "chrome/browser/net/url_fixer_upper.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
@@ -45,22 +51,49 @@
 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
 #include "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/protector/base_setting_change.h"
+#include "chrome/browser/protector/protected_prefs_watcher.h"
+#include "chrome/browser/protector/protector_service.h"
+#include "chrome/browser/protector/protector_service_factory.h"
+#include "chrome/browser/protector/protector_utils.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
-#include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
+#include "chrome/browser/sessions/session_restore.h"
+#include "chrome/browser/sessions/session_service.h"
+#include "chrome/browser/sessions/session_service_factory.h"
+#include "chrome/browser/shell_integration.h"
+#include "chrome/browser/tab_contents/link_infobar_delegate.h"
+#include "chrome/browser/tabs/pinned_tab_codec.h"
+#include "chrome/browser/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_navigator.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/startup/autolaunch_prompt.h"
+#include "chrome/browser/ui/startup/bad_flags_prompt.h"
+#include "chrome/browser/ui/startup/default_browser_prompt.h"
+#include "chrome/browser/ui/startup/obsolete_os_prompt.h"
+#include "chrome/browser/ui/startup/session_crashed_prompt.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
+#include "chrome/browser/ui/webui/sync_promo/sync_promo_trial.h"
+#include "chrome/browser/ui/webui/sync_promo/sync_promo_ui.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
+#include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "grit/locale_settings.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -70,21 +103,163 @@
 #include "chrome/browser/chromeos/profile_startup.h"
 #endif
 
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#include "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
+#endif
+
+#if defined(TOOLKIT_GTK)
+#include "chrome/browser/ui/gtk/gtk_util.h"
+#endif
+
 #if defined(TOOLKIT_VIEWS) && defined(OS_LINUX)
 #include "ui/base/touch/touch_factory.h"
 #endif
 
 #if defined(OS_WIN)
+#include "base/win/windows_version.h"
 #include "chrome/browser/ui/startup/startup_browser_creator_win.h"
 #endif
 
 using content::BrowserThread;
 using content::ChildProcessSecurityPolicy;
+using content::WebContents;
+using protector::BaseSettingChange;
+using protector::ProtectedPrefsWatcher;
+using protector::ProtectorService;
+using protector::ProtectorServiceFactory;
 
+namespace {
+
 bool in_synchronous_profile_launch = false;
 
-namespace {
+// Utility functions ----------------------------------------------------------
 
+enum LaunchMode {
+  LM_TO_BE_DECIDED = 0,       // Possibly direct launch or via a shortcut.
+  LM_AS_WEBAPP,               // Launched as a installed web application.
+  LM_WITH_URLS,               // Launched with urls in the cmd line.
+  LM_SHORTCUT_NONE,           // Not launched from a shortcut.
+  LM_SHORTCUT_NONAME,         // Launched from shortcut but no name available.
+  LM_SHORTCUT_UNKNOWN,        // Launched from user-defined shortcut.
+  LM_SHORTCUT_QUICKLAUNCH,    // Launched from the quick launch bar.
+  LM_SHORTCUT_DESKTOP,        // Launched from a desktop shortcut.
+  LM_SHORTCUT_TASKBAR,        // Launched from the taskbar.
+  LM_LINUX_MAC_BEOS           // Other OS buckets start here.
+};
+
+#if defined(OS_WIN)
+// Undocumented flag in the startup info structure tells us what shortcut was
+// used to launch the browser. See http://www.catch22.net/tuts/undoc01 for
+// more information. Confirmed to work on XP, Vista and Win7.
+LaunchMode GetLaunchShortcutKind() {
+  STARTUPINFOW si = { sizeof(si) };
+  GetStartupInfoW(&si);
+  if (si.dwFlags & 0x800) {
+    if (!si.lpTitle)
+      return LM_SHORTCUT_NONAME;
+    string16 shortcut(si.lpTitle);
+    // The windows quick launch path is not localized.
+    if (shortcut.find(L"\\Quick Launch\\") != string16::npos) {
+      if (base::win::GetVersion() >= base::win::VERSION_WIN7)
+        return LM_SHORTCUT_TASKBAR;
+      else
+        return LM_SHORTCUT_QUICKLAUNCH;
+    }
+    scoped_ptr<base::Environment> env(base::Environment::Create());
+    std::string appdata_path;
+    env->GetVar("USERPROFILE", &appdata_path);
+    if (!appdata_path.empty() &&
+        shortcut.find(ASCIIToWide(appdata_path)) != std::wstring::npos)
+      return LM_SHORTCUT_DESKTOP;
+    return LM_SHORTCUT_UNKNOWN;
+  }
+  return LM_SHORTCUT_NONE;
+}
+#else
+// TODO(cpu): Port to other platforms.
+LaunchMode GetLaunchShortcutKind() {
+  return LM_LINUX_MAC_BEOS;
+}
+#endif
+
+// Log in a histogram the frequency of launching by the different methods. See
+// LaunchMode enum for the actual values of the buckets.
+void RecordLaunchModeHistogram(LaunchMode mode) {
+  int bucket = (mode == LM_TO_BE_DECIDED) ? GetLaunchShortcutKind() : mode;
+  UMA_HISTOGRAM_COUNTS_100("Launch.Modes", bucket);
+}
+
+GURL GetWelcomePageURL() {
+  std::string welcome_url = l10n_util::GetStringUTF8(IDS_WELCOME_PAGE_URL);
+  return GURL(welcome_url);
+}
+
+void UrlsToTabs(
+    const std::vector<GURL>& urls,
+    std::vector<StartupBrowserCreator::LaunchWithProfile::Tab>* tabs) {
+  for (size_t i = 0; i < urls.size(); ++i) {
+    StartupBrowserCreator::LaunchWithProfile::Tab tab;
+    tab.is_pinned = false;
+    tab.url = urls[i];
+    tabs->push_back(tab);
+  }
+}
+
+// Return true if the command line option --app-id is used.  Set
+// |out_extension| to the app to open, and |out_launch_container|
+// to the type of window into which the app should be open.
+bool GetAppLaunchContainer(
+    Profile* profile,
+    const std::string& app_id,
+    const Extension** out_extension,
+    extension_misc::LaunchContainer* out_launch_container) {
+
+  ExtensionService* extensions_service = profile->GetExtensionService();
+  const Extension* extension =
+      extensions_service->GetExtensionById(app_id, false);
+
+  // The extension with id |app_id| may have been uninstalled.
+  if (!extension)
+    return false;
+
+  // Look at preferences to find the right launch container.  If no
+  // preference is set, launch as a window.
+  extension_misc::LaunchContainer launch_container =
+      extensions_service->extension_prefs()->GetLaunchContainer(
+          extension, ExtensionPrefs::LAUNCH_WINDOW);
+
+  *out_extension = extension;
+  *out_launch_container = launch_container;
+  return true;
+}
+
+void RecordCmdLineAppHistogram() {
+  AppLauncherHandler::RecordAppLaunchType(
+      extension_misc::APP_LAUNCH_CMD_LINE_APP);
+}
+
+void RecordAppLaunches(
+    Profile* profile,
+    const std::vector<GURL>& cmd_line_urls,
+    const std::vector<StartupBrowserCreator::LaunchWithProfile::Tab>&
+        autolaunch_tabs) {
+  ExtensionService* extension_service = profile->GetExtensionService();
+  DCHECK(extension_service);
+  for (size_t i = 0; i < cmd_line_urls.size(); ++i) {
+    if (extension_service->IsInstalledApp(cmd_line_urls.at(i))) {
+      AppLauncherHandler::RecordAppLaunchType(
+          extension_misc::APP_LAUNCH_CMD_LINE_URL);
+    }
+  }
+  for (size_t i = 0; i < autolaunch_tabs.size(); ++i) {
+    if (extension_service->IsInstalledApp(autolaunch_tabs.at(i).url)) {
+      AppLauncherHandler::RecordAppLaunchType(
+          extension_misc::APP_LAUNCH_AUTOLAUNCH);
+    }
+  }
+}
+
 void RegisterComponentsForUpdate(const CommandLine& command_line) {
   ComponentUpdateService* cus = g_browser_process->component_updater();
   if (!cus)
@@ -151,6 +326,13 @@
 base::LazyInstance<ProfileLaunchObserver> profile_launch_observer =
     LAZY_INSTANCE_INITIALIZER;
 
+// Returns true if |profile| has exited uncleanly and has not been launched
+// after the unclean exit.
+bool HasPendingUncleanExit(Profile* profile) {
+  return !profile->DidLastSessionExitCleanly() &&
+      !profile_launch_observer.Get().HasBeenLaunched(profile);
+}
+
 }  // namespace
 
 StartupBrowserCreator::StartupBrowserCreator() {}
@@ -169,15 +351,13 @@
   return in_synchronous_profile_launch;
 }
 
-bool StartupBrowserCreator::LaunchBrowser(
-    const CommandLine& command_line,
-    Profile* profile,
-    const FilePath& cur_dir,
-    browser::startup::IsProcessStartup process_startup,
-    browser::startup::IsFirstRun is_first_run,
-    int* return_code) {
-  in_synchronous_profile_launch =
-      process_startup == browser::startup::IS_PROCESS_STARTUP;
+bool StartupBrowserCreator::LaunchBrowser(const CommandLine& command_line,
+                                          Profile* profile,
+                                          const FilePath& cur_dir,
+                                          IsProcessStartup process_startup,
+                                          IsFirstRun is_first_run,
+                                          int* return_code) {
+  in_synchronous_profile_launch = process_startup == IS_PROCESS_STARTUP;
   DCHECK(profile);
 
   // Continue with the incognito profile from here on if Incognito mode
@@ -190,7 +370,8 @@
                  << "browser session.";
   }
 
-  StartupBrowserCreatorImpl lwp(cur_dir, command_line, this, is_first_run);
+  StartupBrowserCreator::LaunchWithProfile lwp(cur_dir, command_line, this,
+                                               is_first_run);
   std::vector<GURL> urls_to_launch =
       StartupBrowserCreator::GetURLsFromCommandLine(command_line, cur_dir,
                                                     profile);
@@ -251,6 +432,657 @@
   return pref;
 }
 
+
+// StartupBrowserCreator::LaunchWithProfile::Tab -------------------------------
+
+StartupBrowserCreator::LaunchWithProfile::Tab::Tab()
+    : is_app(false),
+      is_pinned(true) {
+}
+
+StartupBrowserCreator::LaunchWithProfile::Tab::~Tab() {
+}
+
+// StartupBrowserCreator::LaunchWithProfile ------------------------------------
+
+StartupBrowserCreator::LaunchWithProfile::LaunchWithProfile(
+    const FilePath& cur_dir,
+    const CommandLine& command_line,
+    IsFirstRun is_first_run)
+        : cur_dir_(cur_dir),
+          command_line_(command_line),
+          profile_(NULL),
+          browser_creator_(NULL),
+          is_first_run_(is_first_run == IS_FIRST_RUN) {
+}
+
+StartupBrowserCreator::LaunchWithProfile::LaunchWithProfile(
+    const FilePath& cur_dir,
+    const CommandLine& command_line,
+    StartupBrowserCreator* browser_creator,
+    IsFirstRun is_first_run)
+        : cur_dir_(cur_dir),
+          command_line_(command_line),
+          profile_(NULL),
+          browser_creator_(browser_creator),
+          is_first_run_(is_first_run == IS_FIRST_RUN) {
+}
+
+StartupBrowserCreator::LaunchWithProfile::~LaunchWithProfile() {
+}
+
+bool StartupBrowserCreator::LaunchWithProfile::Launch(
+    Profile* profile,
+    const std::vector<GURL>& urls_to_open,
+    bool process_startup) {
+  DCHECK(profile);
+  profile_ = profile;
+
+  if (command_line_.HasSwitch(switches::kDnsLogDetails))
+    chrome_browser_net::EnablePredictorDetailedLog(true);
+  if (command_line_.HasSwitch(switches::kDnsPrefetchDisable) &&
+      profile->GetNetworkPredictor()) {
+    profile->GetNetworkPredictor()->EnablePredictor(false);
+  }
+
+  if (command_line_.HasSwitch(switches::kDumpHistogramsOnExit))
+    base::StatisticsRecorder::set_dump_on_exit(true);
+
+  if (command_line_.HasSwitch(switches::kRemoteDebuggingPort)) {
+    std::string port_str =
+        command_line_.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
+    int64 port;
+    if (base::StringToInt64(port_str, &port) && port > 0 && port < 65535) {
+      std::string frontend_str;
+      if (command_line_.HasSwitch(switches::kRemoteDebuggingFrontend)) {
+        frontend_str = command_line_.GetSwitchValueASCII(
+            switches::kRemoteDebuggingFrontend);
+      }
+      g_browser_process->InitDevToolsHttpProtocolHandler(
+          profile,
+          "127.0.0.1",
+          static_cast<int>(port),
+          frontend_str);
+    } else {
+      DLOG(WARNING) << "Invalid http debugger port number " << port;
+    }
+  }
+
+  // Open the required browser windows and tabs. First, see if
+  // we're being run as an application window. If so, the user
+  // opened an app shortcut.  Don't restore tabs or open initial
+  // URLs in that case. The user should see the window as an app,
+  // not as chrome.
+  // Special case is when app switches are passed but we do want to restore
+  // session. In that case open app window + focus it after session is restored.
+  if (OpenApplicationWindow(profile) && !browser_defaults::kAppRestoreSession) {
+    RecordLaunchModeHistogram(LM_AS_WEBAPP);
+  } else {
+    Browser* browser_to_focus = NULL;
+    // In case of app mode + session restore we want to focus that app.
+    if (browser_defaults::kAppRestoreSession)
+      browser_to_focus = BrowserList::GetLastActive();
+
+    RecordLaunchModeHistogram(urls_to_open.empty()?
+                              LM_TO_BE_DECIDED : LM_WITH_URLS);
+
+    // Notify user if the Preferences backup is invalid or changes to settings
+    // affecting browser startup have been detected.
+    CheckPreferencesBackup(profile);
+
+    ProcessLaunchURLs(process_startup, urls_to_open);
+
+    // If this is an app launch, but we didn't open an app window, it may
+    // be an app tab.
+    OpenApplicationTab(profile);
+
+    if (browser_to_focus)
+      browser_to_focus->GetSelectedWebContents()->GetView()->SetInitialFocus();
+
+    if (process_startup) {
+      if (browser_defaults::kOSSupportsOtherBrowsers &&
+          !command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
+        if (!browser::ShowAutolaunchPrompt(profile))
+          browser::ShowDefaultBrowserPrompt(profile);
+      }
+#if defined(OS_MACOSX)
+      // Check whether the auto-update system needs to be promoted from user
+      // to system.
+      KeystoneInfoBar::PromotionInfoBar(profile);
+#endif
+    }
+  }
+
+#if defined(OS_WIN)
+  // Print the selected page if the command line switch exists. Note that the
+  // current selected tab would be the page which will be printed.
+  if (command_line_.HasSwitch(switches::kPrint)) {
+    Browser* browser = BrowserList::GetLastActive();
+    browser->Print();
+  }
+#endif
+
+  // If we're recording or playing back, startup the EventRecorder now
+  // unless otherwise specified.
+  if (!command_line_.HasSwitch(switches::kNoEvents)) {
+    FilePath script_path;
+    PathService::Get(chrome::FILE_RECORDED_SCRIPT, &script_path);
+
+    bool record_mode = command_line_.HasSwitch(switches::kRecordMode);
+    bool playback_mode = command_line_.HasSwitch(switches::kPlaybackMode);
+
+    if (record_mode && chrome::kRecordModeEnabled)
+      base::EventRecorder::current()->StartRecording(script_path);
+    if (playback_mode)
+      base::EventRecorder::current()->StartPlayback(script_path);
+  }
+
+#if defined(OS_WIN)
+  if (process_startup)
+    ShellIntegration::MigrateChromiumShortcuts();
+#endif  // defined(OS_WIN)
+
+  return true;
+}
+
+bool StartupBrowserCreator::LaunchWithProfile::IsAppLaunch(
+    std::string* app_url,
+    std::string* app_id) {
+  if (command_line_.HasSwitch(switches::kApp)) {
+    if (app_url)
+      *app_url = command_line_.GetSwitchValueASCII(switches::kApp);
+    return true;
+  }
+  if (command_line_.HasSwitch(switches::kAppId)) {
+    if (app_id)
+      *app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
+    return true;
+  }
+  return false;
+}
+
+bool StartupBrowserCreator::LaunchWithProfile::OpenApplicationTab(
+    Profile* profile) {
+  std::string app_id;
+  // App shortcuts to URLs always open in an app window.  Because this
+  // function will open an app that should be in a tab, there is no need
+  // to look at the app URL.  OpenApplicationWindow() will open app url
+  // shortcuts.
+  if (!IsAppLaunch(NULL, &app_id) || app_id.empty())
+    return false;
+
+  extension_misc::LaunchContainer launch_container;
+  const Extension* extension;
+  if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
+    return false;
+
+  // If the user doesn't want to open a tab, fail.
+  if (launch_container != extension_misc::LAUNCH_TAB)
+    return false;
+
+  RecordCmdLineAppHistogram();
+
+  WebContents* app_tab = Browser::OpenApplicationTab(profile, extension, GURL(),
+                                                     NEW_FOREGROUND_TAB);
+  return (app_tab != NULL);
+}
+
+bool StartupBrowserCreator::LaunchWithProfile::OpenApplicationWindow(
+    Profile* profile) {
+  std::string url_string, app_id;
+  if (!IsAppLaunch(&url_string, &app_id))
+    return false;
+
+  // This can fail if the app_id is invalid.  It can also fail if the
+  // extension is external, and has not yet been installed.
+  // TODO(skerner): Do something reasonable here. Pop up a warning panel?
+  // Open an URL to the gallery page of the extension id?
+  if (!app_id.empty()) {
+    extension_misc::LaunchContainer launch_container;
+    const Extension* extension;
+    if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
+      return false;
+
+    // TODO(skerner): Could pass in |extension| and |launch_container|,
+    // and avoid calling GetAppLaunchContainer() both here and in
+    // OpenApplicationTab().
+
+    if (launch_container == extension_misc::LAUNCH_TAB)
+      return false;
+
+    RecordCmdLineAppHistogram();
+    WebContents* tab_in_app_window = Browser::OpenApplication(
+        profile, extension, launch_container, GURL(), NEW_WINDOW);
+    // Platform apps fire off a launch event which may or may not open a window.
+    return (tab_in_app_window != NULL || extension->is_platform_app());
+  }
+
+  if (url_string.empty())
+    return false;
+
+#if defined(OS_WIN)  // Fix up Windows shortcuts.
+  ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
+#endif
+  GURL url(url_string);
+
+  // Restrict allowed URLs for --app switch.
+  if (!url.is_empty() && url.is_valid()) {
+    ChildProcessSecurityPolicy *policy =
+        ChildProcessSecurityPolicy::GetInstance();
+    if (policy->IsWebSafeScheme(url.scheme()) ||
+        url.SchemeIs(chrome::kFileScheme)) {
+
+      if (profile->GetExtensionService()->IsInstalledApp(url)) {
+        RecordCmdLineAppHistogram();
+      } else {
+        AppLauncherHandler::RecordAppLaunchType(
+            extension_misc::APP_LAUNCH_CMD_LINE_APP_LEGACY);
+      }
+      WebContents* app_tab = Browser::OpenAppShortcutWindow(
+          profile,
+          url,
+          true);  // Update app info.
+      return (app_tab != NULL);
+    }
+  }
+  return false;
+}
+
+void StartupBrowserCreator::LaunchWithProfile::ProcessLaunchURLs(
+    bool process_startup,
+    const std::vector<GURL>& urls_to_open) {
+  // If we're starting up in "background mode" (no open browser window) then
+  // don't open any browser windows, unless kAutoLaunchAtStartup is also
+  // specified.
+  if (process_startup &&
+      command_line_.HasSwitch(switches::kNoStartupWindow) &&
+      !command_line_.HasSwitch(switches::kAutoLaunchAtStartup)) {
+    return;
+  }
+
+  if (process_startup && ProcessStartupURLs(urls_to_open)) {
+    // ProcessStartupURLs processed the urls, nothing else to do.
+    return;
+  }
+
+  IsProcessStartup is_process_startup = process_startup ?
+      IS_PROCESS_STARTUP : IS_NOT_PROCESS_STARTUP;
+  if (!process_startup) {
+    // Even if we're not starting a new process, this may conceptually be
+    // "startup" for the user and so should be handled in a similar way.  Eg.,
+    // Chrome may have been running in the background due to an app with a
+    // background page being installed, or running with only an app window
+    // displayed.
+    SessionService* service = SessionServiceFactory::GetForProfile(profile_);
+    if (service && service->ShouldNewWindowStartSession()) {
+      // Restore the last session if any.
+      if (!HasPendingUncleanExit(profile_) &&
+          service->RestoreIfNecessary(urls_to_open)) {
+        return;
+      }
+      // Open user-specified URLs like pinned tabs and startup tabs.
+      Browser* browser = ProcessSpecifiedURLs(urls_to_open);
+      if (browser) {
+        AddInfoBarsIfNecessary(browser, is_process_startup);
+        return;
+      }
+    }
+  }
+
+  // Session startup didn't occur, open the urls.
+
+  Browser* browser = NULL;
+  std::vector<GURL> adjust_urls = urls_to_open;
+  if (adjust_urls.empty())
+    AddStartupURLs(&adjust_urls);
+  else if (!command_line_.HasSwitch(switches::kOpenInNewWindow))
+    browser = BrowserList::GetLastActiveWithProfile(profile_);
+
+  // This will launch a browser; prevent session restore.
+  in_synchronous_profile_launch = true;
+  browser = OpenURLsInBrowser(browser, process_startup, adjust_urls);
+  in_synchronous_profile_launch = false;
+  AddInfoBarsIfNecessary(browser, is_process_startup);
+}
+
+bool StartupBrowserCreator::LaunchWithProfile::ProcessStartupURLs(
+    const std::vector<GURL>& urls_to_open) {
+  SessionStartupPref pref = GetSessionStartupPref(command_line_, profile_);
+
+  if (pref.type == SessionStartupPref::LAST) {
+    if (!profile_->DidLastSessionExitCleanly() &&
+        !command_line_.HasSwitch(switches::kRestoreLastSession)) {
+      // The last session crashed. It's possible automatically loading the
+      // page will trigger another crash, locking the user out of chrome.
+      // To avoid this, don't restore on startup but instead show the crashed
+      // infobar.
+      return false;
+    }
+
+  uint32 restore_behavior = SessionRestore::SYNCHRONOUS |
+                            SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
+#if defined(OS_MACOSX)
+    // On Mac, when restoring a session with no windows, suppress the creation
+    // of a new window in the case where the system is launching Chrome via a
+    // login item or Lion's resume feature.
+    if (base::mac::WasLaunchedAsLoginOrResumeItem()) {
+      restore_behavior = restore_behavior &
+                         ~SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
+    }
+#endif
+
+    Browser* browser = SessionRestore::RestoreSession(profile_,
+                                                      NULL,
+                                                      restore_behavior,
+                                                      urls_to_open);
+    AddInfoBarsIfNecessary(browser, IS_PROCESS_STARTUP);
+    return true;
+  }
+
+  Browser* browser = ProcessSpecifiedURLs(urls_to_open);
+  if (!browser)
+    return false;
+
+  AddInfoBarsIfNecessary(browser, IS_PROCESS_STARTUP);
+  return true;
+}
+
+Browser* StartupBrowserCreator::LaunchWithProfile::ProcessSpecifiedURLs(
+    const std::vector<GURL>& urls_to_open) {
+  SessionStartupPref pref = GetSessionStartupPref(command_line_, profile_);
+  std::vector<Tab> tabs;
+  // Pinned tabs should not be displayed when chrome is launched in incognito
+  // mode. Also, no pages should be opened automatically if the session
+  // crashed. Otherwise it might trigger another crash, locking the user out of
+  // chrome. The crash infobar is shown in this case.
+  if (!IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
+                                                 profile_->GetPrefs()) &&
+      !HasPendingUncleanExit(profile_)) {
+    tabs = PinnedTabCodec::ReadPinnedTabs(profile_);
+  }
+
+  RecordAppLaunches(profile_, urls_to_open, tabs);
+
+  if (!urls_to_open.empty()) {
+    // If urls were specified on the command line, use them.
+    UrlsToTabs(urls_to_open, &tabs);
+  } else if (pref.type == SessionStartupPref::URLS && !pref.urls.empty() &&
+             !HasPendingUncleanExit(profile_)) {
+    // Only use the set of urls specified in preferences if nothing was
+    // specified on the command line. Filter out any urls that are to be
+    // restored by virtue of having been previously pinned.
+    AddUniqueURLs(pref.urls, &tabs);
+  } else if (pref.type == SessionStartupPref::DEFAULT) {
+    std::vector<GURL> urls;
+    AddStartupURLs(&urls);
+    UrlsToTabs(urls, &tabs);
+
+  } else if (pref.type == SessionStartupPref::HOMEPAGE) {
+    // If 'homepage' selected, either by the user or by a policy, we should
+    // have migrated them to another value.
+    NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
+  }
+
+  if (tabs.empty())
+    return NULL;
+
+  Browser* browser = OpenTabsInBrowser(NULL, true, tabs);
+  return browser;
+}
+
+void StartupBrowserCreator::LaunchWithProfile::AddUniqueURLs(
+    const std::vector<GURL>& urls,
+    std::vector<Tab>* tabs) {
+  size_t num_existing_tabs = tabs->size();
+  for (size_t i = 0; i < urls.size(); ++i) {
+    bool in_tabs = false;
+    for (size_t j = 0; j < num_existing_tabs; ++j) {
+      if (urls[i] == (*tabs)[j].url) {
+        in_tabs = true;
+        break;
+      }
+    }
+    if (!in_tabs) {
+      StartupBrowserCreator::LaunchWithProfile::Tab tab;
+      tab.is_pinned = false;
+      tab.url = urls[i];
+      tabs->push_back(tab);
+    }
+  }
+}
+
+Browser* StartupBrowserCreator::LaunchWithProfile::OpenURLsInBrowser(
+    Browser* browser,
+    bool process_startup,
+    const std::vector<GURL>& urls) {
+  std::vector<Tab> tabs;
+  UrlsToTabs(urls, &tabs);
+  return OpenTabsInBrowser(browser, process_startup, tabs);
+}
+
+Browser* StartupBrowserCreator::LaunchWithProfile::OpenTabsInBrowser(
+        Browser* browser,
+        bool process_startup,
+        const std::vector<Tab>& tabs) {
+  DCHECK(!tabs.empty());
+
+  // If we don't yet have a profile, try to use the one we're given from
+  // |browser|. While we may not end up actually using |browser| (since it
+  // could be a popup window), we can at least use the profile.
+  if (!profile_ && browser)
+    profile_ = browser->profile();
+
+  if (!browser || !browser->is_type_tabbed()) {
+    browser = Browser::Create(profile_);
+  } else {
+#if defined(TOOLKIT_GTK)
+    // Setting the time of the last action on the window here allows us to steal
+    // focus, which is what the user wants when opening a new tab in an existing
+    // browser window.
+    gtk_util::SetWMLastUserActionTime(browser->window()->GetNativeHandle());
+#endif
+  }
+
+#if !defined(OS_MACOSX)
+  // In kiosk mode, we want to always be fullscreen, so switch to that now.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode))
+    browser->ToggleFullscreenMode();
+#endif
+
+  bool first_tab = true;
+  for (size_t i = 0; i < tabs.size(); ++i) {
+    // We skip URLs that we'd have to launch an external protocol handler for.
+    // This avoids us getting into an infinite loop asking ourselves to open
+    // a URL, should the handler be (incorrectly) configured to be us. Anyone
+    // asking us to open such a URL should really ask the handler directly.
+    bool handled_by_chrome = ProfileIOData::IsHandledURL(tabs[i].url) ||
+        (profile_ && profile_->GetProtocolHandlerRegistry()->IsHandledProtocol(
+            tabs[i].url.scheme()));
+    if (!process_startup && !handled_by_chrome)
+      continue;
+
+    int add_types = first_tab ? TabStripModel::ADD_ACTIVE :
+                                TabStripModel::ADD_NONE;
+    add_types |= TabStripModel::ADD_FORCE_INDEX;
+    if (tabs[i].is_pinned)
+      add_types |= TabStripModel::ADD_PINNED;
+    int index = browser->GetIndexForInsertionDuringRestore(i);
+
+    browser::NavigateParams params(browser, tabs[i].url,
+                                   content::PAGE_TRANSITION_START_PAGE);
+    params.disposition = first_tab ? NEW_FOREGROUND_TAB :
+                                     NEW_BACKGROUND_TAB;
+    params.tabstrip_index = index;
+    params.tabstrip_add_types = add_types;
+    params.extension_app_id = tabs[i].app_id;
+    browser::Navigate(&params);
+
+    first_tab = false;
+  }
+  if (!browser->GetSelectedWebContents()) {
+    // TODO: this is a work around for 110909. Figure out why it's needed.
+    if (!browser->tab_count())
+      browser->AddBlankTab(true);
+    else
+      browser->ActivateTabAt(0, false);
+  }
+
+  browser->window()->Show();
+  // TODO(jcampan): http://crbug.com/8123 we should not need to set the initial
+  //                focus explicitly.
+  browser->GetSelectedWebContents()->GetView()->SetInitialFocus();
+
+  return browser;
+}
+
+void StartupBrowserCreator::LaunchWithProfile::AddInfoBarsIfNecessary(
+    Browser* browser,
+    IsProcessStartup is_process_startup) {
+  if (!browser || !profile_ || browser->tab_count() == 0)
+    return;
+
+  if (HasPendingUncleanExit(browser->profile()))
+    browser::ShowSessionCrashedPrompt(browser);
+
+  // The bad flags info bar and the obsolete system info bar are only added to
+  // the first profile which is launched. Other profiles might be restoring the
+  // browsing sessions asynchronously, so we cannot add the info bars to the
+  // focused tabs here.
+  if (is_process_startup == IS_PROCESS_STARTUP) {
+    browser::ShowBadFlagsPrompt(browser);
+    browser::ShowObsoleteOSPrompt(browser);
+  }
+}
+
+
+void StartupBrowserCreator::LaunchWithProfile::AddStartupURLs(
+    std::vector<GURL>* startup_urls) const {
+  // If we have urls specified beforehand (i.e. from command line) use them
+  // and nothing else.
+  if (!startup_urls->empty())
+    return;
+
+  // If we have urls specified by the first run master preferences use them
+  // and nothing else.
+  if (browser_creator_) {
+    if (!browser_creator_->first_run_tabs_.empty()) {
+      std::vector<GURL>::iterator it =
+          browser_creator_->first_run_tabs_.begin();
+      while (it != browser_creator_->first_run_tabs_.end()) {
+        // Replace magic names for the actual urls.
+        if (it->host() == "new_tab_page") {
+          startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
+        } else if (it->host() == "welcome_page") {
+          startup_urls->push_back(GetWelcomePageURL());
+        } else {
+          startup_urls->push_back(*it);
+        }
+        ++it;
+      }
+      browser_creator_->first_run_tabs_.clear();
+    }
+  }
+
+  // Otherwise open at least the new tab page (and the welcome page, if this
+  // is the first time the browser is being started), or the set of URLs
+  // specified on the command line.
+  if (startup_urls->empty()) {
+    startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
+    PrefService* prefs = g_browser_process->local_state();
+    if (prefs->FindPreference(prefs::kShouldShowWelcomePage) &&
+        prefs->GetBoolean(prefs::kShouldShowWelcomePage)) {
+      // Reset the preference so we don't show the welcome page next time.
+      prefs->ClearPref(prefs::kShouldShowWelcomePage);
+      startup_urls->push_back(GetWelcomePageURL());
+    }
+  }
+
+  // If the sync promo page is going to be displayed then insert it at the front
+  // of the list.
+  if (SyncPromoUI::ShouldShowSyncPromoAtStartup(profile_, is_first_run_)) {
+    SyncPromoUI::DidShowSyncPromoAtStartup(profile_);
+    GURL old_url = (*startup_urls)[0];
+    (*startup_urls)[0] =
+        SyncPromoUI::GetSyncPromoURL(GURL(chrome::kChromeUINewTabURL),
+                                     SyncPromoUI::SOURCE_START_PAGE);
+
+    // An empty URL means to go to the home page.
+    if (old_url.is_empty() &&
+        profile_->GetHomePage() == GURL(chrome::kChromeUINewTabURL)) {
+      old_url = GURL(chrome::kChromeUINewTabURL);
+    }
+
+    // If the old URL is not the NTP then insert it right after the sync promo.
+    if (old_url != GURL(chrome::kChromeUINewTabURL))
+      startup_urls->insert(startup_urls->begin() + 1, old_url);
+
+    // If we have more than two startup tabs then skip the welcome page.
+    if (startup_urls->size() > 2) {
+      std::vector<GURL>::iterator it = std::find(
+          startup_urls->begin(), startup_urls->end(), GetWelcomePageURL());
+      if (it != startup_urls->end())
+        startup_urls->erase(it);
+    }
+  }
+}
+
+void StartupBrowserCreator::LaunchWithProfile::CheckPreferencesBackup(
+    Profile* profile) {
+  ProtectorService* protector_service =
+      ProtectorServiceFactory::GetForProfile(profile);
+  ProtectedPrefsWatcher* prefs_watcher = protector_service->GetPrefsWatcher();
+
+  // Check if backup is valid.
+  if (!prefs_watcher->is_backup_valid()) {
+    protector_service->ShowChange(protector::CreatePrefsBackupInvalidChange());
+    // Further checks make no sense.
+    return;
+  }
+
+  // Check for session startup (including pinned tabs) changes.
+  if (SessionStartupPref::DidStartupPrefChange(profile) ||
+      prefs_watcher->DidPrefChange(prefs::kPinnedTabs)) {
+    LOG(WARNING) << "Session startup settings have changed";
+    SessionStartupPref new_pref = SessionStartupPref::GetStartupPref(profile);
+    PinnedTabCodec::Tabs new_tabs = PinnedTabCodec::ReadPinnedTabs(profile);
+    const base::Value* tabs_backup =
+        prefs_watcher->GetBackupForPref(prefs::kPinnedTabs);
+    protector_service->ShowChange(protector::CreateSessionStartupChange(
+        new_pref,
+        new_tabs,
+        SessionStartupPref::GetStartupPrefBackup(profile),
+        PinnedTabCodec::ReadPinnedTabs(tabs_backup)));
+  }
+
+  // Check for homepage changes.
+  if (prefs_watcher->DidPrefChange(prefs::kHomePage) ||
+      prefs_watcher->DidPrefChange(prefs::kHomePageIsNewTabPage) ||
+      prefs_watcher->DidPrefChange(prefs::kShowHomeButton)) {
+    LOG(WARNING) << "Homepage has changed";
+    PrefService* prefs = profile->GetPrefs();
+    std::string backup_homepage;
+    bool backup_homepage_is_ntp;
+    bool backup_show_home_button;
+    if (!prefs_watcher->GetBackupForPref(prefs::kHomePage)->
+            GetAsString(&backup_homepage) ||
+        !prefs_watcher->GetBackupForPref(prefs::kHomePageIsNewTabPage)->
+            GetAsBoolean(&backup_homepage_is_ntp) ||
+        !prefs_watcher->GetBackupForPref(prefs::kShowHomeButton)->
+            GetAsBoolean(&backup_show_home_button)) {
+      NOTREACHED();
+    }
+    protector_service->ShowChange(protector::CreateHomepageChange(
+        // New:
+        prefs->GetString(prefs::kHomePage),
+        prefs->GetBoolean(prefs::kHomePageIsNewTabPage),
+        prefs->GetBoolean(prefs::kShowHomeButton),
+        // Backup:
+        backup_homepage,
+        backup_homepage_is_ntp,
+        backup_show_home_button));
+  }
+}
+
 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
     const CommandLine& command_line,
     const FilePath& cur_dir,
@@ -316,7 +1148,6 @@
   return urls;
 }
 
-// static
 bool StartupBrowserCreator::ProcessCmdLineImpl(
     const CommandLine& command_line,
     const FilePath& cur_dir,
@@ -463,11 +1294,10 @@
   // If we don't want to launch a new browser window or tab (in the case
   // of an automation request), we are done here.
   if (!silent_launch) {
-    browser::startup::IsProcessStartup is_process_startup = process_startup ?
-        browser::startup::IS_PROCESS_STARTUP :
-        browser::startup::IS_NOT_PROCESS_STARTUP;
-    browser::startup::IsFirstRun is_first_run = first_run::IsChromeFirstRun() ?
-        browser::startup::IS_FIRST_RUN : browser::startup::IS_NOT_FIRST_RUN;
+    IsProcessStartup is_process_startup = process_startup ?
+        IS_PROCESS_STARTUP : IS_NOT_PROCESS_STARTUP;
+    IsFirstRun is_first_run = first_run::IsChromeFirstRun() ?
+        IS_FIRST_RUN : IS_NOT_FIRST_RUN;
     // |last_opened_profiles| will be empty in the following circumstances:
     // - This is the first launch. |last_used_profile| is the initial profile.
     // - The user exited the browser by closing all windows for all
@@ -509,7 +1339,7 @@
             is_process_startup, is_first_run, return_code))
           return false;
         // We've launched at least one browser.
-        is_process_startup = browser::startup::IS_NOT_PROCESS_STARTUP;
+        is_process_startup = StartupBrowserCreator::IS_NOT_PROCESS_STARTUP;
       }
     }
   }
@@ -570,9 +1400,3 @@
   }
   ProcessCmdLineImpl(cmd_line, cur_dir, false, profile, Profiles(), NULL, NULL);
 }
-
-bool HasPendingUncleanExit(Profile* profile) {
-  return !profile->DidLastSessionExitCleanly() &&
-    !profile_launch_observer.Get().HasBeenLaunched(profile);
-}
-