Added stub MediaSourcePlayer for developing behind the flag

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 705 matching lines @@
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableSpdy4)
   },
   {
     "disable-media-source",
     IDS_FLAGS_DISABLE_MEDIA_SOURCE_NAME,
     IDS_FLAGS_DISABLE_MEDIA_SOURCE_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableMediaSource)
   },
+#if defined(OS_ANDROID)
+  {
+    "enable-media-player-v2",
+    IDS_FLAGS_ENABLE_MEDIA_PLAYER_V2_NAME,
+    IDS_FLAGS_ENABLE_MEDIA_PLAYER_V2_DESCRIPTION,
+    kOsAndroid,
+    SINGLE_VALUE_TYPE(switches::kEnableMediaPlayerV2)
+  },
+#endif  // defined(OS_ANDROID)
   {
     "disable-encrypted-media",
     IDS_FLAGS_DISABLE_ENCRYPTED_MEDIA_NAME,
     IDS_FLAGS_DISABLE_ENCRYPTED_MEDIA_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableEncryptedMedia)
   },
   {
     "disable-prefixed-encrypted-media",
     IDS_FLAGS_DISABLE_PREFIXED_ENCRYPTED_MEDIA_NAME,
@@ skipping 2164 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags