Added stub MediaSourcePlayer for developing behind the flag

media/base/media_switches.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 "media/base/media_switches.h"
 
 namespace switches {
 
 // Allow users to specify a custom buffer size for debugging purpose.
 const char kAudioBufferSize[] = "audio-buffer-size";
 
 // Disables the new vsync driven video renderering path.
 const char kDisableNewVideoRenderer[] = "disable-new-video-renderer";
 
 // Set number of threads to use for video decoding.
 const char kVideoThreads[] = "video-threads";
 
 // Bypass autodetection of the upper limit on resolution of streams that can
 // be hardware decoded.
 const char kIgnoreResolutionLimitsForAcceleratedVideoDecode[] =
     "ignore-resolution-limits-for-accelerated-video-decode";
 
 #if defined(OS_ANDROID)
 // Disables the infobar popup for accessing protected media identifier.
 const char kDisableInfobarForProtectedMediaIdentifier[] =
     "disable-infobar-for-protected-media-identifier";
+
+// Sets the MediaSource player that uses the separate media thread
+const char kEnableMediaThreadForMediaPlayback[] =
+    "enable-media-thread-for-media-playback";
 #endif
 
 #if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_SOLARIS)
 // The Alsa device to use when opening an audio input stream.
 const char kAlsaInputDevice[] = "alsa-input-device";
 // The Alsa device to use when opening an audio stream.
 const char kAlsaOutputDevice[] = "alsa-output-device";
 #endif
 
 #if defined(OS_MACOSX)
@@ skipping 76 matching lines @@
 // this flag will cause the tests to fail. Otherwise, they silently succeed.
 const char kRequireAudioHardwareForTesting[] =
     "require-audio-hardware-for-testing";
 
 // Allows clients to override the threshold for when the media renderer will
 // declare the underflow state for the video stream when audio is present.
 // TODO(dalecurtis): Remove once experiments for http://crbug.com/470940 finish.
 const char kVideoUnderflowThresholdMs[] = "video-underflow-threshold-ms";
 
 }  // namespace switches