Dynamically update sign-in/Sync status in the profile creation overlay.

chrome/browser/ui/webui/options/manage_profile_handler.cc

 // Copyright (c) 2013 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/ui/webui/options/manage_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
@@ skipping 64 matching lines @@
   }
 }
 
 }  // namespace
 
 ManageProfileHandler::ManageProfileHandler()
     : weak_factory_(this) {
 }
 
 ManageProfileHandler::~ManageProfileHandler() {
+  ProfileSyncService* service =
+      ProfileSyncServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
+  // Sync may be disabled in tests.
+  if (service)
+    service->RemoveObserver(this);
 }
 
 void ManageProfileHandler::GetLocalizedValues(
     DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
 
   static OptionsStringResource resources[] = {
     { "manageProfilesNameLabel", IDS_PROFILES_MANAGE_NAME_LABEL },
     { "manageProfilesDuplicateNameError",
         IDS_PROFILES_MANAGE_DUPLICATE_NAME_ERROR },
@@ skipping 38 matching lines @@
   localized_strings->SetBoolean(
       "allowCreateExistingManagedUsers",
       CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAllowCreateExistingManagedUsers));
 }
 
 void ManageProfileHandler::InitializeHandler() {
   registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
                  content::NotificationService::AllSources());
 
-  pref_change_registrar_.Init(Profile::FromWebUI(web_ui())->GetPrefs());
+  Profile* profile = Profile::FromWebUI(web_ui());
+  pref_change_registrar_.Init(profile->GetPrefs());
   pref_change_registrar_.Add(
       prefs::kManagedUserCreationAllowed,
       base::Bind(&ManageProfileHandler::OnCreateManagedUserPrefChange,
                  base::Unretained(this)));
+  ProfileSyncService* service =
+      ProfileSyncServiceFactory::GetForProfile(profile);
+  // Sync may be disabled for tests.
+  if (service)
+    service->AddObserver(this);
 }
 
 void ManageProfileHandler::InitializePage() {
   SendProfileNames();
   OnCreateManagedUserPrefChange();
 }
 
 void ManageProfileHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("setProfileIconAndName",
       base::Bind(&ManageProfileHandler::SetProfileIconAndName,
@@ skipping 41 matching lines @@
     if (!web_ui()->GetWebContents()->GetRenderViewHost())
       return;
     SendProfileNames();
     base::StringValue value(kManageProfileIconGridName);
     SendProfileIcons(value);
   } else {
     OptionsPageUIHandler::Observe(type, source, details);
   }
 }
 
+void ManageProfileHandler::OnStateChanged() {
+  RequestCreateProfileUpdate(NULL);
+}
+
 void ManageProfileHandler::RequestDefaultProfileIcons(const ListValue* args) {
   base::StringValue create_value(kCreateProfileIconGridName);
   base::StringValue manage_value(kManageProfileIconGridName);
   SendProfileIcons(manage_value);
   SendProfileIcons(create_value);
 }
 
 void ManageProfileHandler::RequestNewProfileDefaults(const ListValue* args) {
   const ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
@@ skipping 289 matching lines @@
     g_browser_process->profile_manager()->profile_shortcut_manager();
   DCHECK(shortcut_manager);
 
   shortcut_manager->RemoveProfileShortcuts(profile_file_path);
 
   // Update the UI buttons.
   OnHasProfileShortcuts(false);
 }
 
 }  // namespace options