Introduce 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/threading/thread_checker.h"
+#include "third_party/WebKit/public/platform/modules/mediasession/WebMediaSession.h"
+
+namespace content {
+
+class RendererMediaSessionManager;

[mlamouri (slow - plz ping), 2015/09/28 15:16:02]

nit: not needed.

[davve, 2015/10/06 12:05:13]

Done.

+
+class WebMediaSessionAndroid : public blink::WebMediaSession {
+ public:
+  WebMediaSessionAndroid();
+  virtual ~WebMediaSessionAndroid();
+
+  virtual void activate(blink::WebMediaSessionCommandCallback*);
+  virtual void deactivate(blink::WebMediaSessionCommandCallback*);

[mlamouri (slow - plz ping), 2015/09/28 15:16:02]

= override; for both.

[davve, 2015/10/06 12:05:13]

Done.

+
+ private:
+  base::ThreadChecker main_thread_checker_;

[mlamouri (slow - plz ping), 2015/09/28 15:16:02]

For a feature that is only available from a Window context, this seems a bit too
much on the careful side.

[davve, 2015/10/06 12:05:13]

Removed.

+
+  DISALLOW_COPY_AND_ASSIGN(WebMediaSessionAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIASESSION_ANDROID_H_