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

gpu/config/gpu_switching_list.h

Index: gpu/config/gpu_switching_list.h
===================================================================
--- gpu/config/gpu_switching_list.h	(revision 0)
+++ gpu/config/gpu_switching_list.h	(working copy)
@@ -2,16 +2,16 @@
 // 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_SWITCHING_LIST_H_
-#define CONTENT_BROWSER_GPU_GPU_SWITCHING_LIST_H_
+#ifndef GPU_CONFIG_GPU_SWITCHING_LIST_H_
+#define GPU_CONFIG_GPU_SWITCHING_LIST_H_
 
 #include <string>
 
-#include "content/browser/gpu/gpu_control_list.h"
+#include "gpu/config/gpu_control_list.h"
 
-namespace content {
+namespace gpu {
 
-class CONTENT_EXPORT GpuSwitchingList : public GpuControlList {
+class GPU_EXPORT GpuSwitchingList : public GpuControlList {
  public:
   virtual ~GpuSwitchingList();
 
@@ -23,7 +23,7 @@
   DISALLOW_COPY_AND_ASSIGN(GpuSwitchingList);
 };
 
-}  // namespace content
+}  // namespace gpu
 
-#endif  // CONTENT_BROWSER_GPU_GPU_SWITCHING_LIST_H_
+#endif  // GPU_CONFIG_GPU_SWITCHING_LIST_H_