Implement blacklist's force GPU capability in dual GPU machines.

content/public/common/gpu_switching_option.cc

Index: content/public/common/gpu_switching_option.cc
===================================================================
--- content/public/common/gpu_switching_option.cc	(revision 0)
+++ content/public/common/gpu_switching_option.cc	(revision 0)
@@ -0,0 +1,10 @@
+// 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/public/common/gpu_switching_option.h"
+
+const char kGpuSwitchingOptionNameAutomatic[]        = "automatic";
+const char kGpuSwitchingOptionNameForceIntegrated[]  = "force_integrated";
+const char kGpuSwitchingOptionNameForceDiscrete[]    = "force_discrete";
+
Property changes on: content/public/common/gpu_switching_option.cc
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Added: svn:eol-style
   + LF