Hook PushMessagingMessageFilter up to GCMDriver

content/shell/browser/shell_browser_context.cc

 // Copyright 2013 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 "content/shell/browser/shell_browser_context.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/file_util.h"
@@ skipping 225 matching lines @@
 }
 
 BrowserPluginGuestManager* ShellBrowserContext::GetGuestManager() {
   return guest_manager_;
 }
 
 quota::SpecialStoragePolicy* ShellBrowserContext::GetSpecialStoragePolicy() {
   return NULL;
 }
 
+PushMessagingService* ShellBrowserContext::GetPushMessagingService() {
+  return NULL;
+}
+
 }  // namespace content