Revert 130298 - Revert 130258 - Make it possible to blacklist gpu's based on the Windows experience…

content/browser/gpu/gpu_performance_stats.cc

-// 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/browser/gpu/gpu_performance_stats.h"
-
-#include "base/stringprintf.h"
-
-namespace {
-DictionaryValue* NewDescriptionValuePairFromFloat(const std::string& desc,
-    float value) {
-  DictionaryValue* dict = new DictionaryValue();
-  dict->SetString("description", desc);
-  dict->SetString("value", base::StringPrintf("%.1f", value));
-  return dict;
-}
-}  // namespace
-
-#if !defined(OS_WIN)
-// No data for other operating systems yet, just return 0.0s.
-GpuPerformanceStats GpuPerformanceStats::RetrieveGpuPerformanceStats() {
-  return GpuPerformanceStats();
-}
-#endif
-
-base::Value* GpuPerformanceStats::ToValue() const {
-  ListValue* result = new ListValue();
-  result->Append(NewDescriptionValuePairFromFloat("Graphics", graphics));
-  result->Append(NewDescriptionValuePairFromFloat("Gaming", gaming));
-  result->Append(NewDescriptionValuePairFromFloat("Overall", overall));
-  return result;
-}