[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 e81a82943d04674ad162ad5dc68684781549be35..eec15c25a14548c203d2c1c477560334fa00e53f 100644
--- a/google_apis/gcm/engine/mcs_client.cc
+++ b/google_apis/gcm/engine/mcs_client.cc
@@ -333,11 +333,6 @@ 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_);