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

google_apis/gcm/engine/mcs_client.cc

Index: google_apis/gcm/engine/mcs_client.cc
diff --git a/google_apis/gcm/engine/mcs_client.cc b/google_apis/gcm/engine/mcs_client.cc
index 75fed0dd7d543c8bd904458a536a51ada7db5048..7cbd9ae4b5c18b24bf6f1efe0f13bafc4f48a151 100644
--- a/google_apis/gcm/engine/mcs_client.cc
+++ b/google_apis/gcm/engine/mcs_client.cc
@@ -337,11 +337,6 @@ void MCSClient::SendMessage(const MCSMessage& message) {
   MaybeSendMessage();
 }
 
-void MCSClient::Destroy() {
-  gcm_store_->Destroy(base::Bind(&MCSClient::OnGCMUpdateFinished,
-                                 weak_ptr_factory_.GetWeakPtr()));
-}
-
 void MCSClient::ResetStateAndBuildLoginRequest(
     mcs_proto::LoginRequest* request) {
   DCHECK(android_id_);