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

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_MANAGE_PROFILE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_MANAGE_PROFILE_HANDLER_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
+#include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 namespace base {
 class StringValue;
 }
 
 namespace options {
 
 // Chrome personal stuff profiles manage overlay UI handler.
-class ManageProfileHandler : public OptionsPageUIHandler {
+class ManageProfileHandler : public OptionsPageUIHandler,
+                             public ProfileSyncServiceObserver {
  public:
   ManageProfileHandler();
   virtual ~ManageProfileHandler();
 
   // OptionsPageUIHandler:
   virtual void GetLocalizedValues(
       base::DictionaryValue* localized_strings) OVERRIDE;
   virtual void InitializeHandler() OVERRIDE;
   virtual void InitializePage() OVERRIDE;
 
   // WebUIMessageHandler:
   virtual void RegisterMessages() OVERRIDE;
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // ProfileSyncServiceObserver:
+  virtual void OnStateChanged() OVERRIDE;
+
  private:
   // Callback for the "requestDefaultProfileIcons" message.
   // Sends the array of default profile icon URLs to WebUI.
   // |args| is of the form: [ {string} iconURL ]
   void RequestDefaultProfileIcons(const base::ListValue* args);
 
   // Callback for the "requestNewProfileDefaults" message.
   // Sends an object to WebUI of the form:
   //   { "name": profileName, "iconURL": iconURL }
   void RequestNewProfileDefaults(const base::ListValue* args);
@@ skipping 83 matching lines @@
   // Used to observe the preference that allows creating managed users, which
   // can be changed by policy.
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ManageProfileHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_MANAGE_PROFILE_HANDLER_H_