Added a command-line flag to enable h/w accelerated rendering of content layers.

content/common/content_switches.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.
 
 #include "content/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 51 matching lines @@
 
 // Disable pop-up blocking.
 const char kDisablePopupBlocking[]          = "disable-popup-blocking";
 
 // Disable the seccomp sandbox (Linux only)
 const char kDisableSeccompSandbox[]         = "disable-seccomp-sandbox";
 
 // Disable Web Sockets support.
 const char kDisableWebSockets[]             = "disable-web-sockets";
 
+// Enable hardware accelerated page drawing.
+// Please note that this flag is honored only if chromium is compiled with
+// SKIA_GPU flag, which can be enabled by setting use_skia_gpu variable to 1
+// in build/features_override.gypi.
+const char kEnableAcceleratedDrawing[]      = "enable-accelerated-drawing";
+
 // Enables the benchmarking extensions.
 const char kEnableBenchmarking[]            = "enable-benchmarking";
 
 // Enable the GPU plugin and Pepper 3D rendering.
 const char kEnableGPUPlugin[]               = "enable-gpu-plugin";
 
 // Force logging to be enabled.  Logging is disabled by default in release
 // builds.
 const char kEnableLogging[]                 = "enable-logging";
 
@@ skipping 186 matching lines @@
 
 // Causes the process to run as a worker subprocess.
 const char kWorkerProcess[]                 = "worker";
 
 // The prefix used when starting the zygote process. (i.e. 'gdb --args')
 const char kZygoteCmdPrefix[]               = "zygote-cmd-prefix";
 
 // Causes the process to run as a renderer zygote.
 const char kZygoteProcess[]                 = "zygote";
 }  // namespace switches