Teach the GCM Driver how to decrypt incoming messages.

components/gcm_driver/gcm_driver_desktop.cc

 // Copyright 2014 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.
 
 #include "components/gcm_driver/gcm_driver_desktop.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1177 matching lines @@
 }
 
 void GCMDriverDesktop::MessageReceived(const std::string& app_id,
                                        const IncomingMessage& message) {
   DCHECK(ui_thread_->RunsTasksOnCurrentThread());
 
   // Drop the event if the service has been stopped.
   if (!gcm_started_)
     return;
 
-  GetAppHandler(app_id)->OnMessage(app_id, message);
+  DispatchMessage(app_id, message);
 }
 
 void GCMDriverDesktop::MessagesDeleted(const std::string& app_id) {
   DCHECK(ui_thread_->RunsTasksOnCurrentThread());
 
   // Drop the event if the service has been stopped.
   if (!gcm_started_)
     return;
 
   GetAppHandler(app_id)->OnMessagesDeleted(app_id);
@@ skipping 89 matching lines @@
 
   if (base::get<1>(a) < base::get<1>(b))
     return true;
   if (base::get<1>(a) > base::get<1>(b))
     return false;
 
   return base::get<2>(a) < base::get<2>(b);
 }
 
 }  // namespace gcm