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

gpu/config/gpu_util_unittest.cc

Index: gpu/config/gpu_util_unittest.cc
===================================================================
--- gpu/config/gpu_util_unittest.cc	(revision 0)
+++ gpu/config/gpu_util_unittest.cc	(working copy)
@@ -2,11 +2,11 @@
 // 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_util.h"
+#include "gpu/config/gpu_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_switches.h"
 
-namespace content {
+namespace gpu {
 
 TEST(GpuUtilTest, GpuSwitchingOptionFromString) {
   // Test StringToGpuSwitchingOption.
@@ -75,4 +75,4 @@
   }
 }
 
-}  // namespace content
+}  // namespace gpu