Removed CSS Variables flag

content/browser/web_contents/web_contents_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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 489 matching lines @@
   prefs.accelerated_compositing_for_plugins_enabled =
       !command_line.HasSwitch(switches::kDisableAcceleratedPlugins);
   prefs.accelerated_compositing_for_video_enabled =
       !command_line.HasSwitch(switches::kDisableAcceleratedVideo);
   prefs.fullscreen_enabled =
       !command_line.HasSwitch(switches::kDisableFullScreen);
   prefs.css_sticky_position_enabled =
       command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures);
   prefs.css_shaders_enabled =
       command_line.HasSwitch(switches::kEnableCssShaders);
-  prefs.css_variables_enabled =
-      command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures);
   prefs.css_grid_layout_enabled =
       command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures);
   prefs.lazy_layout_enabled =
       command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures);
 
   // TODO(abarth, eseidel): Enable threaded_html_parser by default on Android
   // once crbug 230542 is resolved.
 #if defined(OS_ANDROID)
   prefs.threaded_html_parser = false;
 #else
@@ skipping 3002 matching lines @@
 }
 
 BrowserPluginGuestManager*
     WebContentsImpl::GetBrowserPluginGuestManager() const {
   return static_cast<BrowserPluginGuestManager*>(
       GetBrowserContext()->GetUserData(
           browser_plugin::kBrowserPluginGuestManagerKeyName));
 }
 
 }  // namespace content