Added stub MediaSourcePlayer for developing behind the flag

media/base/android/legacy_media_source_player.h

Index: media/base/android/legacy_media_source_player.h
diff --git a/media/base/android/media_source_player.h b/media/base/android/legacy_media_source_player.h
similarity index 92%
copy from media/base/android/media_source_player.h
copy to media/base/android/legacy_media_source_player.h
index ab3bda3e72c3f4eaadd3647b7238a73b5ac81b61..9be7e7137e021b56707a8df12adbcc708c838e0a 100644
--- a/media/base/android/media_source_player.h
+++ b/media/base/android/legacy_media_source_player.h
@@ -2,8 +2,8 @@
 // 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_H_
-#define MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_H_
+#ifndef MEDIA_BASE_ANDROID_LEGACY_MEDIA_SOURCE_PLAYER_H_
+#define MEDIA_BASE_ANDROID_LEGACY_MEDIA_SOURCE_PLAYER_H_
 
 #include <jni.h>
 #include <map>
@@ -33,17 +33,17 @@ class VideoDecoderJob;
 
 // This class handles media source extensions on Android. It uses Android
 // MediaCodec to decode audio and video streams in two separate threads.
-class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid,
-                                       public DemuxerAndroidClient {
+class MEDIA_EXPORT LegacyMediaSourcePlayer : public MediaPlayerAndroid,
+                                             public DemuxerAndroidClient {
  public:
   // Constructs a player with the given ID and demuxer. |manager| must outlive
   // the lifetime of this object.
-  MediaSourcePlayer(int player_id,
-                    MediaPlayerManager* manager,
-                    const RequestMediaResourcesCB& request_media_resources_cb,
-                    scoped_ptr<DemuxerAndroid> demuxer,
-                    const GURL& frame_url);
-  ~MediaSourcePlayer() override;
+  LegacyMediaSourcePlayer(int player_id,
+                          MediaPlayerManager* manager,
+                          const RequestMediaResourcesCB& request_resources_cb,
+                          scoped_ptr<DemuxerAndroid> demuxer,
+                          const GURL& frame_url);
+  ~LegacyMediaSourcePlayer() override;
 
   // MediaPlayerAndroid implementation.
   void SetVideoSurface(gfx::ScopedJavaSurface surface) override;
@@ -268,13 +268,13 @@ class MEDIA_EXPORT MediaSourcePlayer : public MediaPlayerAndroid,
   bool prerolling_;
 
   // Weak pointer passed to media decoder jobs for callbacks.
-  base::WeakPtr<MediaSourcePlayer> weak_this_;
+  base::WeakPtr<LegacyMediaSourcePlayer> weak_this_;
   // NOTE: Weak pointers must be invalidated before all other member variables.
-  base::WeakPtrFactory<MediaSourcePlayer> weak_factory_;
+  base::WeakPtrFactory<LegacyMediaSourcePlayer> weak_factory_;
 
-  DISALLOW_COPY_AND_ASSIGN(MediaSourcePlayer);
+  DISALLOW_COPY_AND_ASSIGN(LegacyMediaSourcePlayer);
 };
 
 }  // namespace media
 
-#endif  // MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_H_
+#endif  // MEDIA_BASE_ANDROID_LEGACY_MEDIA_SOURCE_PLAYER_H_