Disable background video track behind a feature 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 1997 matching lines @@
      SINGLE_DISABLE_VALUE_TYPE(chromeos::switches::kDisableEolNotification)},
 #endif  // OS_CHROMEOS
     {"fill-on-account-select", IDS_FILL_ON_ACCOUNT_SELECT_NAME,
      IDS_FILL_ON_ACCOUNT_SELECT_DESCRIPTION, kOsAll,
      FEATURE_VALUE_TYPE(password_manager::features::kFillOnAccountSelect)},
     {"new-audio-rendering-mixing-strategy",
      IDS_NEW_AUDIO_RENDERING_MIXING_STRATEGY_NAME,
      IDS_NEW_AUDIO_RENDERING_MIXING_STRATEGY_DESCRIPTION,
      kOsWin | kOsMac | kOsLinux | kOsAndroid,
      FEATURE_VALUE_TYPE(media::kNewAudioRenderingMixingStrategy)},
+    {"disable-background-video-track",
+     IDS_BACKGROUND_VIDEO_TRACK_OPTIMIZATION_NAME,
+     IDS_BACKGROUND_VIDEO_TRACK_OPTIMIZATION_DESCRIPTION,
+     kOsAll,
+     FEATURE_VALUE_TYPE(media::kBackgroundVideoTrackOptimization)},
 #if defined(OS_CHROMEOS)
     {"files-quick-view", IDS_FLAGS_FILES_QUICK_VIEW_NAME,
      IDS_FLAGS_FILES_QUICK_VIEW_DESCRIPTION, kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE(chromeos::switches::kEnableFilesQuickView,
                                chromeos::switches::kDisableFilesQuickView)},
     {"quick-unlock-pin", IDS_FLAGS_QUICK_UNLOCK_PIN,
      IDS_FLAGS_QUICK_UNLOCK_PIN_DESCRIPTION, kOsCrOS,
      FEATURE_VALUE_TYPE(features::kQuickUnlockPin)},
 #endif  // OS_CHROMEOS
     {"browser-task-scheduler", IDS_FLAGS_BROWSER_TASK_SCHEDULER_NAME,
@@ skipping 300 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags