Initial implementation of API WakeLock.

content/renderer/wake_lock_dispatcher.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 CONTENT_RENDERER_WAKE_LOCK_DISPATCHER_H_
+#define CONTENT_RENDERER_WAKE_LOCK_DISPATCHER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/public/renderer/render_view_observer.h"
+#include "third_party/WebKit/public/web/WebView.h"
+#include "third_party/WebKit/public/web/WebWakeLockClient.h"
+#include "third_party/WebKit/public/web/WebWakeLockController.h"
+
+namespace content {
+
+// WakeLockDispatcher is a delegate for WakeLock messages used by WebKit.
+// It's the complement of WakeLockDispatcherHost (owned by RenderViewHost).
+class WakeLockDispatcher : public content::RenderViewObserver,
+                           public blink::WebWakeLockClient {
+ public:
+  explicit WakeLockDispatcher(content::RenderView* render_view);
+  virtual ~WakeLockDispatcher();
+
+ private:
+  int routing_id_;
+  scoped_ptr<blink::WebWakeLockController> controller_;
+
+  // RenderView::Observer implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  // WebWakeLockClient
+  virtual void requestWakeLock();
+  virtual void requestWakeUnlock();
+  virtual void wakeLockDestroyed();
+  virtual void setController(blink::WebWakeLockController*);
+
+  void OnWakeLockCreatedSuccessful();
+  void OnWakeLockCreatedFailed();
+  void OnWakeLockUnlockedSuccessful();
+  void OnWakeLockUnlockedFailed();
+};
+}
+
+#endif  // CONTENT_RENDERER_WAKE_LOCK_DISPATCHER_H_