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

chrome/common/chrome_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 "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 
 namespace switches {
 
@@ skipping 371 matching lines @@
 // logging to be enabled to really do anything).  Used by developers and test
 // scripts.
 const char kDumpHistogramsOnExit[]          = "dump-histograms-on-exit";
 
 // Enable displaying net log events on the command line.
 extern const char kLogNetLog[]              = "log-net-log";
 
 // Enable gpu-accelerated 2d canvas.
 const char kEnableAccelerated2dCanvas[]     = "enable-accelerated-2d-canvas";
 
+// 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 hardware acceleration of plugins.
 const char kEnableAcceleratedPlugins[]      = "enable-accelerated-plugins";
 
 // Enables WebKit accessibility within the renderer process.
 const char kEnableAccessibility[]           = "enable-accessibility";
 
 // Enables AeroPeek for each tab. (This switch only works on Windows 7).
 const char kEnableAeroPeekTabs[]            = "enable-aero-peek-tabs";
 
 // Enable the inclusion of non-standard ports when generating the Kerberos SPN
@@ skipping 809 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches