When --disable-gpu-vsync, run requestAnimFrame callbacks at top speed.

content/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2011 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 509 matching lines @@
     switches::kDisableAudio,
     switches::kDisableBreakpad,
     switches::kDisableDataTransferItems,
     switches::kDisableDatabases,
     switches::kDisableDesktopNotifications,
     switches::kDisableDeviceOrientation,
     switches::kDisableFileSystem,
     switches::kDisableGeolocation,
     switches::kDisableGLMultisampling,
     switches::kDisableGLSLTranslator,
+    switches::kDisableGpuVsync,
     switches::kDisableIndexedDatabase,
     switches::kDisableJavaScriptI18NAPI,
     switches::kDisableLocalStorage,
     switches::kDisableLogging,
 #if defined(GOOGLE_CHROME_BUILD) && !defined(OS_CHROMEOS)
     // Enabled by default in Google Chrome builds, except on CrOS.
     switches::kDisablePrintPreview,
 #else
     // Disabled by default in Chromium builds and on CrOS.
     switches::kEnablePrintPreview,
@@ skipping 418 matching lines @@
   while (!queued_messages_.empty()) {
     Send(queued_messages_.front());
     queued_messages_.pop();
   }
 }
 
 void BrowserRenderProcessHost::OnUserMetricsRecordAction(
     const std::string& action) {
   UserMetrics::RecordComputedAction(action);
 }