Eliminate ash::internal namespace

ash/display/display_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 "ash/display/display_info.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace ash {
-namespace internal {
 
 typedef testing::Test DisplayInfoTest;
 
 TEST_F(DisplayInfoTest, CreateFromSpec) {
   DisplayInfo info = DisplayInfo::CreateFromSpecWithID("200x100", 10);
   EXPECT_EQ(10, info.id());
   EXPECT_EQ("0,0 200x100", info.bounds_in_native().ToString());
   EXPECT_EQ("200x100", info.size_in_pixel().ToString());
   EXPECT_EQ(gfx::Display::ROTATE_0, info.rotation());
   EXPECT_EQ("0,0,0,0", info.overscan_insets_in_dip().ToString());
@@ skipping 30 matching lines @@
   EXPECT_EQ("300x200", info.display_modes()[0].size.ToString());
   EXPECT_EQ("200x200", info.display_modes()[1].size.ToString());
   EXPECT_EQ("100x100", info.display_modes()[2].size.ToString());
   EXPECT_EQ(59.9f, info.display_modes()[1].refresh_rate);
   EXPECT_EQ(60.0f, info.display_modes()[2].refresh_rate);
   EXPECT_TRUE(info.display_modes()[0].native);
   EXPECT_FALSE(info.display_modes()[1].native);
   EXPECT_FALSE(info.display_modes()[2].native);
 }
 
-}  // namespace internal
 }  // namespace ash