Revert r276792 - "Hook PushMessagingMessageFilter up to GCMDriver"

chrome/browser/services/gcm/push_messaging_service_impl.h

-// 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.
-
-#ifndef CHROME_BROWSER_SERVICES_GCM_PUSH_MESSAGING_SERVICE_IMPL_H_
-#define CHROME_BROWSER_SERVICES_GCM_PUSH_MESSAGING_SERVICE_IMPL_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/weak_ptr.h"
-#include "components/gcm_driver/gcm_client.h"
-#include "content/public/browser/push_messaging_service.h"
-
-namespace gcm {
-
-class GCMProfileService;
-
-class PushMessagingServiceImpl : public content::PushMessagingService {
- public:
-  explicit PushMessagingServiceImpl(GCMProfileService* gcm_profile_service);
-  virtual ~PushMessagingServiceImpl();
-
-  // content::PushMessagingService implementation:
-  virtual void Register(
-      const std::string& app_id,
-      const std::string& sender_id,
-      const content::PushMessagingService::RegisterCallback& callback) OVERRIDE;
-
- private:
-  void DidRegister(
-      const content::PushMessagingService::RegisterCallback& callback,
-      const std::string& registration_id,
-      GCMClient::Result result);
-
-  GCMProfileService* gcm_profile_service_;  // It owns us.
-
-  base::WeakPtrFactory<PushMessagingServiceImpl> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(PushMessagingServiceImpl);
-};
-
-}  // namespace gcm
-
-#endif  // CHROME_BROWSER_SERVICES_GCM_PUSH_MESSAGING_SERVICE_IMPL_H_