Add Opus decode wrapper to media.

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 <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 617 matching lines @@
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kDisableMediaSource)
   },
   {
     "enable-encrypted-media",
     IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_NAME,
     IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableEncryptedMedia)
   },
+  {
+    "enable-vp9-opus-playback",
+    IDS_FLAGS_ENABLE_VP9_OPUS_PLAYBACK_NAME,
+    IDS_FLAGS_ENABLE_VP9_OPUS_PLAYBACK_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kEnableVp9OpusPlayback)
+  },
 #if defined(USE_ASH)
   {
     "aura-google-dialog-frames",
     IDS_FLAGS_AURA_GOOGLE_DIALOG_FRAMES_NAME,
     IDS_FLAGS_AURA_GOOGLE_DIALOG_FRAMES_DESCRIPTION,
     kOsWin | kOsLinux | kOsCrOS,
     SINGLE_VALUE_TYPE(ash::switches::kAuraGoogleDialogFrames)
   },
   {
     "ash-disable-auto-window-placement",
@@ skipping 976 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags