Enable vp09 codec string in WebM by default

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"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "ppapi/features/features.h"
 
 namespace switches {
 
 // Allow users to specify a custom buffer size for debugging purpose.
 const char kAudioBufferSize[] = "audio-buffer-size";
 
 // Command line flag name to set the autoplay policy.
 const char kAutoplayPolicy[] = "autoplay-policy";
 
 // Set number of threads to use for video decoding.
 const char kVideoThreads[] = "video-threads";
 
 // Suspend media pipeline on background tabs.
 const char kEnableMediaSuspend[] = "enable-media-suspend";
 const char kDisableMediaSuspend[] = "disable-media-suspend";
 
 // Force to report VP9 as an unsupported MIME type.
 const char kReportVp9AsAnUnsupportedMimeType[] =
     "report-vp9-as-an-unsupported-mime-type";
 
-// Enable parsing of new multi-part VP9 string for webm.
-const char kEnableNewVp9CodecString[] = "enable-new-vp9-codec-string";
-
 #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_WIN)
 // Use exclusive mode audio streaming for Windows Vista and higher.
 // Leads to lower latencies for audio streams which uses the
@@ skipping 265 matching lines @@
 
 // The default value is platform dependent.
 #if defined(OS_ANDROID)
   return switches::autoplay::kUserGestureRequiredPolicy;
 #else
   return switches::autoplay::kNoUserGestureRequiredPolicy;
 #endif
 }
 
 }  // namespace media