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

chrome/browser/services/gcm/gcm_app_handler.h

Index: chrome/browser/services/gcm/gcm_app_handler.h
diff --git a/chrome/browser/services/gcm/gcm_app_handler.h b/chrome/browser/services/gcm/gcm_app_handler.h
index e53a25b766d697d7b4b9c15c07b735d29d902459..6777c68e231e1e0b86269f3f1906439738272a5a 100644
--- a/chrome/browser/services/gcm/gcm_app_handler.h
+++ b/chrome/browser/services/gcm/gcm_app_handler.h
@@ -1,42 +1,12 @@
-// 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_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
-
-#endif  // CHROME_BROWSER_SERVICES_GCM_GCM_APP_HANDLER_H_
+// 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_
+
+// 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_