[GCM] Make sure GCM checkout logic is invoked when the profile is signed out

chrome/browser/services/gcm/gcm_profile_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_
 #define CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 99 matching lines @@
 
     std::vector<std::string> sender_ids;
     std::string registration_id;
   };
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // Checks in with GCM by creating and initializing GCMClient when the profile
-  // has been signed in.
-  void CheckIn(const std::string& username);
+  // Returns true if GCM is enabled for the rollout channel.
+  bool IsGCMChannelEnabled() const;
+
+  // Ensures that the GCMClient is initialized and the GCM check-in is done when
+  // the profile was signed in.
+  void EnsureCheckedIn();
 
   // Checks out of GCM when the profile has been signed out. This will erase
   // all the cached and persisted data.
   void CheckOut();
 
   // Resets the GCMClient instance. This is called when the profile is being
   // destroyed.
   void ResetGCMClient();
 
   // Ensures that the app is ready for GCM functions and events.
@@ skipping 15 matching lines @@
                         GCMClient::Result result);
   void SendFinished(const std::string& app_id,
                     const std::string& message_id,
                     GCMClient::Result result);
   void MessageReceived(const std::string& app_id,
                        GCMClient::IncomingMessage message);
   void MessagesDeleted(const std::string& app_id);
   void MessageSendError(const std::string& app_id,
                         const std::string& message_id,
                         GCMClient::Result result);
-  void FinishInitializationOnUI(bool ready);
+  void FinishInitializationOnUI();
   void GCMClientReady();
 
   // Returns the event router to fire the event for the given app.
   GCMEventRouter* GetEventRouter(const std::string& app_id) const;
 
   // Used to persist the IDs of registered apps.
   void ReadRegisteredAppIDs();
   void WriteRegisteredAppIDs();
 
   // Used to persist registration info into the app's state store.
@@ skipping 48 matching lines @@
 
   // Used to pass a weak pointer to the IO worker.
   base::WeakPtrFactory<GCMProfileService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMProfileService);
 };
 
 }  // namespace gcm
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_GCM_PROFILE_SERVICE_H_