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

google_apis/gcm/gcm_client.h

Index: google_apis/gcm/gcm_client.h
diff --git a/google_apis/gcm/gcm_client.h b/google_apis/gcm/gcm_client.h
index 8bb616d35cc80cbdae308b8fa46f38b5b072076c..971c8864a6221ce2096fa37597101cf80b486c6f 100644
--- a/google_apis/gcm/gcm_client.h
+++ b/google_apis/gcm/gcm_client.h
@@ -147,6 +147,9 @@ class GCM_EXPORT GCMClient {
           url_request_context_getter,
       Delegate* delegate) = 0;
 
+  // Loads the data from the persistent store and starts checking in with GCM.
+  virtual void CheckIn() = 0;
+
   // Checks out of the GCM service. This will erase all the cached and persisted
   // data.
   virtual void CheckOut() = 0;
@@ -176,9 +179,6 @@ class GCM_EXPORT GCMClient {
   virtual void Send(const std::string& app_id,
                     const std::string& receiver_id,
                     const OutgoingMessage& message) = 0;
-
-  // Returns true if GCM becomes ready.
-  virtual bool IsReady() const = 0;
 };
 
 }  // namespace gcm