Move IdentityProvider usage from GCMDriverDesktop to GCMProfileService

components/gcm_driver/gcm_client_impl.h

Index: components/gcm_driver/gcm_client_impl.h
diff --git a/components/gcm_driver/gcm_client_impl.h b/components/gcm_driver/gcm_client_impl.h
index e74a8aa2b135578298b79bfdfd441d315fa09d03..543e7d5c456512e43d0d200800fcb8574fcf13fe 100644
--- a/components/gcm_driver/gcm_client_impl.h
+++ b/components/gcm_driver/gcm_client_impl.h
@@ -83,7 +83,6 @@ class GCMClientImpl
   virtual void Initialize(
       const ChromeBuildInfo& chrome_build_info,
       const base::FilePath& store_path,
-      const std::vector<std::string>& account_ids,
       const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
       const scoped_refptr<net::URLRequestContextGetter>&
           url_request_context_getter,
@@ -264,7 +263,6 @@ class GCMClientImpl
   scoped_ptr<MCSClient> mcs_client_;
 
   scoped_ptr<CheckinRequest> checkin_request_;
-  std::vector<std::string> account_ids_;
 
   // Cached registration info.
   RegistrationInfoMap registrations_;