Add flags to enable screen orientation lock for fullscreen video on Android.

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 "build/build_config.h"
 #include "media/base/media_switches.h"
 #include "ppapi/features/features.h"
 
 namespace switches {
 
@@ skipping 163 matching lines @@
 // Enables support for External Clear Key (ECK) key system for testing on
 // supported platforms. On platforms that do not support ECK, this feature has
 // no effect.
 const base::Feature kExternalClearKeyForTesting{
     "external-clear-key-for-testing", base::FEATURE_DISABLED_BY_DEFAULT};
 
 #if defined(OS_ANDROID)
 // Replaces WPMA by the MediaPlayerRenderer for HLS and fallback playback.
 const base::Feature kAndroidMediaPlayerRenderer{
     "android-media-player-renderer", base::FEATURE_ENABLED_BY_DEFAULT};
+
+// Lock the screen orientation when a video goes fullscreen.
+const base::Feature kVideoFullscreenOrientationLock{
+    "VideoFullscreenOrientationLock", base::FEATURE_DISABLED_BY_DEFAULT};
 #endif
 
 }  // namespace media