Reland of name kDisableGestureRequirementForMediaPlayback and make it a test-only flag.

media/base/media_switches.h

 // 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.
 
 // Defines all the "media" command-line switches.
 
 #ifndef MEDIA_BASE_MEDIA_SWITCHES_H_
 #define MEDIA_BASE_MEDIA_SWITCHES_H_
 
 #include "base/feature_list.h"
@@ skipping 59 matching lines @@
 
 MEDIA_EXPORT extern const char kDisableRTCSmoothnessAlgorithm[];
 
 MEDIA_EXPORT extern const char kEnableVp9InMp4[];
 
 MEDIA_EXPORT extern const char kForceVideoOverlays[];
 
 MEDIA_EXPORT extern const char kMSEAudioBufferSizeLimit[];
 MEDIA_EXPORT extern const char kMSEVideoBufferSizeLimit[];
 
+MEDIA_EXPORT extern const char kIgnoreAutoplayRestrictionsForTests[];
+
 namespace autoplay {
 
 MEDIA_EXPORT extern const char kCrossOriginUserGestureRequiredPolicy[];
 MEDIA_EXPORT extern const char kNoUserGestureRequiredPolicy[];
 MEDIA_EXPORT extern const char kUserGestureRequiredPolicy[];
 
 }  // namespace autoplay
 
 }  // namespace switches
 
@@ skipping 21 matching lines @@
 #endif  // defined(OS_ANDROID)
 
 #if defined(OS_WIN)
 MEDIA_EXPORT extern const base::Feature kD3D11VideoDecoding;
 MEDIA_EXPORT extern const base::Feature kMediaFoundationH264Encoding;
 #endif  // defined(OS_WIN)
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_MEDIA_SWITCHES_H_