Revert 124817 - Take extensions out of Profile into a profile-keyed service, ExtensionSystem.

chrome/browser/extensions/extension_system.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/extensions/extension_system.h"
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/file_path.h"
-#include "base/string_tokenizer.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/component_loader.h"
-#include "chrome/browser/content_settings/cookie_settings.h"
-#include "chrome/browser/extensions/extension_devtools_manager.h"
-#include "chrome/browser/extensions/extension_error_reporter.h"
-#include "chrome/browser/extensions/extension_event_router.h"
-#include "chrome/browser/extensions/extension_info_map.h"
-#include "chrome/browser/extensions/extension_message_service.h"
-#include "chrome/browser/extensions/extension_navigation_observer.h"
-#include "chrome/browser/extensions/extension_pref_store.h"
-#include "chrome/browser/extensions/extension_pref_value_map.h"
-#include "chrome/browser/extensions/extension_process_manager.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system_factory.h"
-#include "chrome/browser/extensions/unpacked_installer.h"
-#include "chrome/browser/extensions/user_script_master.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
-#include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/pref_names.h"
-#include "content/public/browser/browser_thread.h"
-
-using content::BrowserThread;
-
-//
-// ExtensionSystem
-//
-
-ExtensionSystem::ExtensionSystem() {
-}
-
-ExtensionSystem::~ExtensionSystem() {
-}
-
-//
-// ExtensionSystemImpl::Shared
-//
-
-ExtensionSystemImpl::Shared::Shared(Profile* profile)
-    : profile_(profile) {
-}
-
-ExtensionSystemImpl::Shared::~Shared() {
-}
-
-void ExtensionSystemImpl::Shared::Shutdown() {
-  if (message_service())
-    message_service()->DestroyingProfile();
-}
-
-void ExtensionSystemImpl::Shared::InitPrefs() {
-  bool extensions_disabled =
-      profile_->GetPrefs()->GetBoolean(prefs::kDisableExtensions) ||
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableExtensions);
-  extension_prefs_.reset(new ExtensionPrefs(
-      profile_->GetPrefs(),
-      profile_->GetPath().AppendASCII(ExtensionService::kInstallDirectoryName),
-      profile_->GetExtensionPrefValueMap()));
-  extension_prefs_->Init(extensions_disabled);
-}
-
-void ExtensionSystemImpl::Shared::InitInfoMap() {
-  // The ExtensionInfoMap needs to be created before the
-  // ExtensionProcessManager.
-  extension_info_map_ = new ExtensionInfoMap();
-}
-
-void ExtensionSystemImpl::Shared::Init(bool extensions_enabled) {
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
-
-  extension_event_router_.reset(new ExtensionEventRouter(profile_));
-  extension_message_service_ = new ExtensionMessageService(profile_);
-  extension_navigation_observer_.reset(
-      new ExtensionNavigationObserver(profile_));
-
-  ExtensionErrorReporter::Init(true);  // allow noisy errors.
-
-  user_script_master_ = new UserScriptMaster(profile_);
-
-  bool autoupdate_enabled = true;
-#if defined(OS_CHROMEOS)
-  if (!extensions_enabled)
-    autoupdate_enabled = false;
-  else
-    autoupdate_enabled = !command_line->HasSwitch(switches::kGuestSession);
-#endif
-  extension_service_.reset(new ExtensionService(
-      profile_,
-      CommandLine::ForCurrentProcess(),
-      profile_->GetPath().AppendASCII(ExtensionService::kInstallDirectoryName),
-      extension_prefs_.get(),
-      autoupdate_enabled,
-      extensions_enabled));
-
-  extension_service_->component_loader()->AddDefaultComponentExtensions();
-  if (command_line->HasSwitch(switches::kLoadComponentExtension)) {
-    CommandLine::StringType path_list = command_line->GetSwitchValueNative(
-        switches::kLoadComponentExtension);
-    StringTokenizerT<CommandLine::StringType,
-        CommandLine::StringType::const_iterator> t(path_list,
-                                                   FILE_PATH_LITERAL(","));
-    while (t.GetNext()) {
-      // Load the component extension manifest synchronously.
-      // Blocking the UI thread is acceptable here since
-      // this flag designated for developers.
-      base::ThreadRestrictions::ScopedAllowIO allow_io;
-      extension_service_->component_loader()->AddOrReplace(
-          FilePath(t.token()));
-    }
-  }
-  extension_service_->Init();
-
-  if (extensions_enabled) {
-    // Load any extensions specified with --load-extension.
-    // TODO(yoz): Seems like this should move into ExtensionService::Init.
-    // But maybe it's no longer important.
-    if (command_line->HasSwitch(switches::kLoadExtension)) {
-      CommandLine::StringType path_list = command_line->GetSwitchValueNative(
-          switches::kLoadExtension);
-      StringTokenizerT<CommandLine::StringType,
-          CommandLine::StringType::const_iterator> t(path_list,
-                                                     FILE_PATH_LITERAL(","));
-      scoped_refptr<extensions::UnpackedInstaller> installer =
-          extensions::UnpackedInstaller::Create(extension_service_.get());
-      while (t.GetNext()) {
-        installer->LoadFromCommandLine(FilePath(t.token()));
-      }
-    }
-  }
-
-  // Make the chrome://extension-icon/ resource available.
-  profile_->GetChromeURLDataManager()->AddDataSource(
-      new ExtensionIconSource(profile_));
-
-  // Initialize extension event routers. Note that on Chrome OS, this will
-  // not succeed if the user has not logged in yet, in which case the
-  // event routers are initialized in LoginUtilsImpl::CompleteLogin instead.
-  // The InitEventRouters call used to be in BrowserMain, because when bookmark
-  // import happened on first run, the bookmark bar was not being correctly
-  // initialized (see issue 40144). Now that bookmarks aren't imported and
-  // the event routers need to be initialized for every profile individually,
-  // initialize them with the extension service.
-  // If this profile is being created as part of the import process, never
-  // initialize the event routers. If import is going to run in a separate
-  // process (the profile itself is on the main process), wait for import to
-  // finish before initializing the routers.
-  if (!command_line->HasSwitch(switches::kImport) &&
-      !command_line->HasSwitch(switches::kImportFromFile)) {
-    if (g_browser_process->profile_manager()->will_import()) {
-      extension_service_->InitEventRoutersAfterImport();
-    } else {
-      extension_service_->InitEventRouters();
-    }
-  }
-}
-
-ExtensionService* ExtensionSystemImpl::Shared::extension_service() {
-  return extension_service_.get();
-}
-
-UserScriptMaster* ExtensionSystemImpl::Shared::user_script_master() {
-  return user_script_master_.get();
-}
-
-ExtensionInfoMap* ExtensionSystemImpl::Shared::info_map() {
-  return extension_info_map_.get();
-}
-
-ExtensionMessageService* ExtensionSystemImpl::Shared::message_service() {
-  return extension_message_service_.get();
-}
-
-ExtensionEventRouter* ExtensionSystemImpl::Shared::event_router() {
-  return extension_event_router_.get();
-}
-
-//
-// ExtensionSystemImpl
-//
-
-ExtensionSystemImpl::ExtensionSystemImpl(Profile* profile)
-    : profile_(profile),
-      extension_devtools_manager_(NULL) {
-  shared_ = ExtensionSystemSharedFactory::GetForProfile(profile);
-
-  if (profile->IsOffTheRecord()) {
-    extension_process_manager_.reset(ExtensionProcessManager::Create(profile));
-  } else {
-    shared_->InitPrefs();
-  }
-}
-
-ExtensionSystemImpl::~ExtensionSystemImpl() {
-}
-
-void ExtensionSystemImpl::Shutdown() {
-  extension_process_manager_.reset();
-}
-
-void ExtensionSystemImpl::Init(bool extensions_enabled) {
-  DCHECK(!profile_->IsOffTheRecord());
-  if (user_script_master() || extension_service())
-    return;  // Already initialized.
-
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(
-      switches::kEnableExtensionTimelineApi)) {
-    extension_devtools_manager_ = new ExtensionDevToolsManager(profile_);
-  }
-
-  shared_->InitInfoMap();
-
-  extension_process_manager_.reset(ExtensionProcessManager::Create(profile_));
-
-  shared_->Init(extensions_enabled);
-}
-
-ExtensionService* ExtensionSystemImpl::extension_service() {
-  return shared_->extension_service();
-}
-
-UserScriptMaster* ExtensionSystemImpl::user_script_master() {
-  return shared_->user_script_master();
-}
-
-ExtensionDevToolsManager* ExtensionSystemImpl::devtools_manager() {
-  // TODO(mpcomplete): in incognito, figure out whether we should
-  // return the original profile's version.
-  return extension_devtools_manager_.get();
-}
-
-ExtensionProcessManager* ExtensionSystemImpl::process_manager() {
-  return extension_process_manager_.get();
-}
-
-ExtensionInfoMap* ExtensionSystemImpl::info_map() {
-  return shared_->info_map();
-}
-
-ExtensionMessageService* ExtensionSystemImpl::message_service() {
-  return shared_->message_service();
-}
-
-ExtensionEventRouter* ExtensionSystemImpl::event_router() {
-  return shared_->event_router();
-}
-
-void ExtensionSystemImpl::RegisterExtensionWithRequestContexts(
-    const Extension* extension) {
-  base::Time install_time;
-  if (extension->location() != Extension::COMPONENT) {
-    install_time = extension_service()->extension_prefs()->
-        GetInstallTime(extension->id());
-  }
-  bool incognito_enabled =
-      extension_service()->IsIncognitoEnabled(extension->id());
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&ExtensionInfoMap::AddExtension, info_map(),
-                 make_scoped_refptr(extension), install_time,
-                 incognito_enabled));
-}
-
-void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
-    const std::string& extension_id,
-    const extension_misc::UnloadedExtensionReason reason) {
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&ExtensionInfoMap::RemoveExtension, info_map(),
-                 extension_id, reason));
-}