NOT FOR LANDING Implement WebMediaSession

content/renderer/media/android/webmediasession_android.h

+// Copyright 2015 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_MEDIA_ANDROID_WEBMEDIASESSION_ANDROID_H_
+#define CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIASESSION_ANDROID_H_
+
+#include "base/basictypes.h"
+#include "base/threading/thread_checker.h"
+#include "third_party/WebKit/public/platform/WebMediaSession.h"
+
+namespace content {
+
+class RendererMediaSessionManager;
+
+class WebMediaSessionAndroid : public blink::WebMediaSession {
+ public:
+  WebMediaSessionAndroid(RendererMediaSessionManager* session_manager);
+  virtual ~WebMediaSessionAndroid();
+
+  virtual void activate();
+  virtual void deactivate();
+
+ private:
+  RendererMediaSessionManager* const session_manager_;
+
+  int session_id_;
+
+  base::ThreadChecker main_thread_checker_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebMediaSessionAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIASESSION_ANDROID_H_