Move GPU device/driver info related code from content to gpu.

gpu/config/gpu_util.h

 // 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_UTIL_H_
-#define CONTENT_BROWSER_GPU_GPU_UTIL_H_
+#ifndef GPU_CONFIG_GPU_UTIL_H_
+#define GPU_CONFIG_GPU_UTIL_H_
 
 #include <set>
 #include <string>
 
-#include "base/basictypes.h"
 #include "build/build_config.h"
-#include "content/common/content_export.h"
-#include "content/public/common/gpu_switching_option.h"
+#include "gpu/config/gpu_switching_option.h"
+#include "gpu/gpu_export.h"
 
-namespace content {
-class GpuBlacklist;
+namespace gpu {
 
 // Maps string to GpuSwitchingOption; returns GPU_SWITCHING_UNKNOWN if an
 // unknown name is input (case-sensitive).
-CONTENT_EXPORT GpuSwitchingOption StringToGpuSwitchingOption(
+GPU_EXPORT GpuSwitchingOption StringToGpuSwitchingOption(
     const std::string& switching_string);
 
 // Gets a string version of a GpuSwitchingOption.
-CONTENT_EXPORT std::string GpuSwitchingOptionToString(
-    GpuSwitchingOption option);
-
-// Send UMA histograms about the enabled features.
-CONTENT_EXPORT void UpdateStats(
-    const GpuBlacklist* blacklist, const std::set<int>& blacklisted_features);
+GPU_EXPORT std::string GpuSwitchingOptionToString(GpuSwitchingOption option);
 
 // Merge features in src into dst.
-CONTENT_EXPORT void MergeFeatureSets(
+GPU_EXPORT void MergeFeatureSets(
     std::set<int>* dst, const std::set<int>& src);
 
-}  // namespace content
+}  // namespace gpu
 
-#endif  // CONTENT_BROWSER_GPU_GPU_UTIL_H_
+#endif  // GPU_CONFIG_GPU_UTIL_H_