Added stub MediaSourcePlayer for developing behind the flag

media/base/android/media_source_player_with_dedicated_thread.h

Index: media/base/android/media_source_player_with_dedicated_thread.h
diff --git a/media/base/android/media_source_player_with_dedicated_thread.h b/media/base/android/media_source_player_with_dedicated_thread.h
new file mode 100644
index 0000000000000000000000000000000000000000..5099ca3956ed5cac900bb44c9854e920ae294f0d
--- /dev/null
+++ b/media/base/android/media_source_player_with_dedicated_thread.h
@@ -0,0 +1,67 @@
+// 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 MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_WITH_DEDICATED_THREAD_H_
+#define MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_WITH_DEDICATED_THREAD_H_
+
+#include "base/android/scoped_java_ref.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread.h"
+#include "media/base/android/demuxer_android.h"
+#include "media/base/android/media_player_android.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+class MediaSourcePlayerImpl;
+
+// Returns the task runner for the media thread
+scoped_refptr<base::SingleThreadTaskRunner> GetMediaTaskRunner();
+
+// This class handles media source extensions on Android.
+class MEDIA_EXPORT MediaSourcePlayerWithDedicatedThread :
+      public MediaPlayerAndroid {
+ public:
+  // Constructs a player with the given ID and demuxer. |manager| must outlive
+  // the lifetime of this object.
+  MediaSourcePlayerWithDedicatedThread(
+      int player_id,
+      MediaPlayerManager* manager,
+      const RequestMediaResourcesCB& request_media_resources_cb,
+      scoped_ptr<DemuxerAndroid> demuxer,
+      const GURL& frame_url);
+  ~MediaSourcePlayerWithDedicatedThread() override;
+
+  // MediaPlayerAndroid implementation.
+  void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
+  void Start() override;
+  void Pause(bool is_media_related_action) override;
+  void SeekTo(base::TimeDelta timestamp) override;
+  void Release() override;
+  void SetVolume(double volume) override;
+  int GetVideoWidth() override;
+  int GetVideoHeight() override;
+  base::TimeDelta GetCurrentTime() override;
+  base::TimeDelta GetDuration() override;
+  bool IsPlaying() override;
+  bool CanPause() override;
+  bool CanSeekForward() override;
+  bool CanSeekBackward() override;
+  bool IsPlayerReady() override;
+  void SetCdm(BrowserCdm* cdm) override;
+
+
+ private:
+  MediaSourcePlayerImpl* impl_;
+
+  // NOTE: Weak pointers must be invalidated before all other member variables.
+  base::WeakPtrFactory<MediaSourcePlayerWithDedicatedThread> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaSourcePlayerWithDedicatedThread);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_WITH_DEDICATED_THREAD_H_