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

content/common/content_switches.h

 // 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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_COMMON_CONTENT_SWITCHES_H_
 #pragma once
 
@@ skipping 11 matching lines @@
 extern const char kDisableFileSystem[];
 extern const char kDisableGLMultisampling[];
 extern const char kDisableGpuSandbox[];
 extern const char kDisableGpuWatchdog[];
 extern const char kDisableHolePunching[];
 extern const char kDisableLogging[];
 extern const char kDisablePlugins[];
 extern const char kDisablePopupBlocking[];
 extern const char kDisableSeccompSandbox[];
 extern const char kDisableWebSockets[];
+extern const char kEnableAcceleratedDrawing[];
 extern const char kEnableBenchmarking[];
 extern const char kEnableGPUPlugin[];
 extern const char kEnableLogging[];
 extern const char kEnableMonitorProfile[];
 extern const char kEnablePreparsedJsCaching[];
 extern const char kEnableSandboxLogging[];
 extern const char kEnableSeccompSandbox[];
 extern const char kEnableStatsTable[];
 extern const char kExperimentalLocationFeatures[];
 // TODO(jam): this doesn't belong in content.
@@ skipping 46 matching lines @@
 extern const char kWebCoreLogChannels[];
 extern const char kWebWorkerProcessPerCore[];
 extern const char kWebWorkerShareProcesses[];
 extern const char kWorkerProcess[];
 extern const char kZygoteCmdPrefix[];
 extern const char kZygoteProcess[];
 
 }  // namespace switches
 
 #endif  // CONTENT_COMMON_CONTENT_SWITCHES_H_