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

gpu/config/gpu_control_list_machine_model_info_unittest.cc

 // Copyright (c) 2013 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_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:
   MachineModelInfoTest() { }
   virtual ~MachineModelInfoTest() { }
 
   typedef GpuControlList::MachineModelInfo MachineModelInfo;
 };
 
 TEST_F(MachineModelInfoTest, ValidModelInfo) {
@@ skipping 27 matching lines @@
   }
 }
 
 TEST_F(MachineModelInfoTest, ModelComparison) {
   MachineModelInfo info("=", "model_a", ">", "3.4", std::string());
   EXPECT_TRUE(info.Contains("model_a", "4"));
   EXPECT_FALSE(info.Contains("model_b", "4"));
   EXPECT_FALSE(info.Contains("model_a", "3.2"));
 }
 
-}  // namespace content
+}  // namespace gpu