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

content/browser/gpu/gpu_util_unittest.cc

-// Copyright (c) 2011 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_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gl/gl_switches.h"
-
-namespace content {
-
-TEST(GpuUtilTest, GpuSwitchingOptionFromString) {
-  // Test StringToGpuSwitchingOption.
-  EXPECT_EQ(StringToGpuSwitchingOption(
-                switches::kGpuSwitchingOptionNameAutomatic),
-            GPU_SWITCHING_OPTION_AUTOMATIC);
-  EXPECT_EQ(StringToGpuSwitchingOption(
-                switches::kGpuSwitchingOptionNameForceDiscrete),
-            GPU_SWITCHING_OPTION_FORCE_DISCRETE);
-  EXPECT_EQ(StringToGpuSwitchingOption(
-                switches::kGpuSwitchingOptionNameForceIntegrated),
-            GPU_SWITCHING_OPTION_FORCE_INTEGRATED);
-  EXPECT_EQ(StringToGpuSwitchingOption("xxx"), GPU_SWITCHING_OPTION_UNKNOWN);
-}
-
-TEST(GpuUtilTest, GpuSwitchingOptionToString) {
-  // Test GpuSwitchingOptionToString.
-  EXPECT_STREQ(
-      GpuSwitchingOptionToString(GPU_SWITCHING_OPTION_AUTOMATIC).c_str(),
-      switches::kGpuSwitchingOptionNameAutomatic);
-  EXPECT_STREQ(
-      GpuSwitchingOptionToString(GPU_SWITCHING_OPTION_FORCE_DISCRETE).c_str(),
-      switches::kGpuSwitchingOptionNameForceDiscrete);
-  EXPECT_STREQ(
-      GpuSwitchingOptionToString(GPU_SWITCHING_OPTION_FORCE_INTEGRATED).c_str(),
-      switches::kGpuSwitchingOptionNameForceIntegrated);
-}
-
-TEST(GpuUtilTest, MergeFeatureSets) {
-  {
-    // Merge two empty sets.
-    std::set<int> src;
-    std::set<int> dst;
-    EXPECT_TRUE(dst.empty());
-    MergeFeatureSets(&dst, src);
-    EXPECT_TRUE(dst.empty());
-  }
-  {
-    // Merge an empty set into a set with elements.
-    std::set<int> src;
-    std::set<int> dst;
-    dst.insert(1);
-    EXPECT_EQ(1u, dst.size());
-    MergeFeatureSets(&dst, src);
-    EXPECT_EQ(1u, dst.size());
-  }
-  {
-    // Merge two sets where the source elements are already in the target set.
-    std::set<int> src;
-    std::set<int> dst;
-    src.insert(1);
-    dst.insert(1);
-    EXPECT_EQ(1u, dst.size());
-    MergeFeatureSets(&dst, src);
-    EXPECT_EQ(1u, dst.size());
-  }
-  {
-    // Merge two sets with different elements.
-    std::set<int> src;
-    std::set<int> dst;
-    src.insert(1);
-    dst.insert(2);
-    EXPECT_EQ(1u, dst.size());
-    MergeFeatureSets(&dst, src);
-    EXPECT_EQ(2u, dst.size());
-  }
-}
-
-}  // namespace content