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

gpu/config/gpu_control_list_machine_model_info_unittest.cc

Index: gpu/config/gpu_control_list_machine_model_info_unittest.cc
===================================================================
--- gpu/config/gpu_control_list_machine_model_info_unittest.cc	(revision 0)
+++ gpu/config/gpu_control_list_machine_model_info_unittest.cc	(working copy)
@@ -2,10 +2,10 @@
 // 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_control_list.h"
+#include "gpu/config/gpu_control_list.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace content {
+namespace gpu {
 
 class MachineModelInfoTest : public testing::Test {
  public:
@@ -53,5 +53,5 @@
   EXPECT_FALSE(info.Contains("model_a", "3.2"));
 }
 
-}  // namespace content
+}  // namespace gpu