cc: Avoid expensive RenderingStats collection.

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 514 matching lines @@
   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.record_rendering_stats =
+      command_line.HasSwitch(switches::kEnableGpuBenchmarking);
 
   bool touch_device_present = false;
 #if defined(USE_AURA) && defined(USE_X11)
   touch_device_present =
       ui::TouchFactory::GetInstance()->IsTouchDevicePresent();
 #endif
 #if defined(OS_WIN)
   touch_device_present = ui::IsTouchDevicePresent();
 #endif
 #if defined(OS_ANDROID)
@@ skipping 2904 matching lines @@
 
 BrowserPluginGuest* WebContentsImpl::GetBrowserPluginGuest() {
   return browser_plugin_guest_.get();
 }
 
 BrowserPluginEmbedder* WebContentsImpl::GetBrowserPluginEmbedder() {
   return browser_plugin_embedder_.get();
 }
 
 }  // namespace content