Componentize GCM Part 1: create GCM component and move some files over

chrome/browser/services/gcm/gcm_app_handler.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright (c) 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_GCM_APP_HANDLER_H_
 #define CHROME_BROWSER_SERVICES_GCM_GCM_APP_HANDLER_H_
 
-#include <string>
-
-#include "base/basictypes.h"
-#include "google_apis/gcm/gcm_client.h"
-
-namespace gcm {
-
-// Defines the interface to provide handling and event routing logic for a given
-// app.
-class GCMAppHandler {
- public:
-  GCMAppHandler() {}
-  virtual ~GCMAppHandler() {}
-
-  // Called to do all the cleanup when GCM is shutting down.
-  // In the case that multiple apps share the same app handler, it should be
-  // make safe for ShutdownHandler to be called multiple times.
-  virtual void ShutdownHandler() = 0;
-
-  // Called when a GCM message has been received.
-  virtual void OnMessage(const std::string& app_id,
-                         const GCMClient::IncomingMessage& message) = 0;
-
-  // Called when some GCM messages have been deleted from the server.
-  virtual void OnMessagesDeleted(const std::string& app_id) = 0;
-
-  // Called when a GCM message failed to be delivered.
-  virtual void OnSendError(
-      const std::string& app_id,
-      const GCMClient::SendErrorDetails& send_error_details) = 0;
-};
-
-}  // namespace gcm
+// Temporary workaround to make code depends on gcm_app_handler in old location
+// build.
+#include "components/gcm_driver/gcm_app_handler.h"
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_GCM_APP_HANDLER_H_