Stop setting AcceleratedCompositingForVideoEnabled in LayoutTests.

content/shell/browser/webkit_test_controller.cc

 // Copyright 2013 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/shell/browser/webkit_test_controller.h"
 
 #include <iostream>
 
 #include "base/base64.h"
 #include "base/command_line.h"
@@ skipping 320 matching lines @@
 
 void WebKitTestController::OverrideWebkitPrefs(WebPreferences* prefs) {
   if (should_override_prefs_) {
     *prefs = prefs_;
   } else {
     ApplyLayoutTestDefaultPreferences(prefs);
     if (is_compositing_test_) {
       CommandLine& command_line = *CommandLine::ForCurrentProcess();
       if (!command_line.HasSwitch(switches::kDisableGpu))
         prefs->accelerated_2d_canvas_enabled = true;
-      prefs->accelerated_compositing_for_video_enabled = true;
       prefs->mock_scrollbars_enabled = true;
     }
   }
 }
 
 void WebKitTestController::OpenURL(const GURL& url) {
   if (test_phase_ != DURING_TEST)
     return;
 
   Shell::CreateNewWindow(main_window_->web_contents()->GetBrowserContext(),
@@ skipping 336 matching lines @@
 
   printer_->AddErrorMessage(
       base::StringPrintf("#LEAK - renderer pid %d (%s)", current_pid_,
                          result.detail.c_str()));
   CHECK(!crash_when_leak_found_);
 
   DiscardMainWindow();
 }
 
 }  // namespace content