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

content/browser/renderer_host/render_view_host_impl.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 "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 422 matching lines @@
   prefs.use_solid_color_scrollbars = false;
 
   prefs.history_entry_requires_user_gesture =
       command_line.HasSwitch(switches::kHistoryEntryRequiresUserGesture);
 
 #if defined(OS_ANDROID)
   // On Android, user gestures are normally required, unless that requirement
   // is disabled with a command-line switch or the equivalent field trial is
   // is set to "Enabled".
   prefs.user_gesture_required_for_media_playback =
-      !command_line.HasSwitch(
-          switches::kDisableGestureRequirementForMediaPlayback) &&
+      !command_line.HasSwitch(switches::kIgnoreAutoplayRestrictionsForTests) &&
       command_line.GetSwitchValueASCII(switches::kAutoplayPolicy) !=
           switches::autoplay::kNoUserGestureRequiredPolicy;
 
   prefs.progress_bar_completion = GetProgressBarCompletionPolicy();
 
   prefs.use_solid_color_scrollbars = true;
 #else  // defined(OS_ANDROID)
   prefs.cross_origin_media_playback_requires_user_gesture =
       command_line.GetSwitchValueASCII(switches::kAutoplayPolicy) ==
       switches::autoplay::kCrossOriginUserGestureRequiredPolicy;
@@ skipping 501 matching lines @@
 }
 
 void RenderViewHostImpl::ClosePageTimeout() {
   if (delegate_->ShouldIgnoreUnresponsiveRenderer())
     return;
 
   ClosePageIgnoringUnloadEvents();
 }
 
 }  // namespace content