Make it possible to blacklist gpu's based on the Windows experience index.

content/browser/gpu/gpu_performance_stats.h

Index: content/browser/gpu/gpu_performance_stats.h
===================================================================
--- content/browser/gpu/gpu_performance_stats.h	(revision 130192)
+++ content/browser/gpu/gpu_performance_stats.h	(working copy)
@@ -1,26 +0,0 @@
-// 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.
-
-#ifndef CONTENT_BROWSER_GPU_GPU_PERFORMANCE_STATS_H_
-#define CONTENT_BROWSER_GPU_GPU_PERFORMANCE_STATS_H_
-
-#include "base/values.h"
-#include "content/common/content_export.h"
-
-class CONTENT_EXPORT GpuPerformanceStats {
- public:
-  GpuPerformanceStats() : graphics(0.f), gaming(0.f), overall(0.f) {
-  }
-
-  static GpuPerformanceStats RetrieveGpuPerformanceStats();
-
-  base::Value* ToValue() const;
-
-  float graphics;
-  float gaming;
-  float overall;
-};
-
-
-#endif  // CONTENT_BROWSER_GPU_GPU_PERFORMANCE_STATS_H_