Fix namespace for src/ui/display/.

ui/display/manager/chromeos/x11/display_util_x11_unittest.cc

 // Copyright 2014 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 "ui/display/manager/chromeos/x11/display_util_x11.h"
 
 #include <memory>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace ui {
+namespace display {
 
 TEST(DisplayUtilX11Test, GetDisplayConnectionTypeFromName) {
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_INTERNAL,
             GetDisplayConnectionTypeFromName("LVDS"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_INTERNAL,
             GetDisplayConnectionTypeFromName("eDP"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_INTERNAL,
             GetDisplayConnectionTypeFromName("DSI"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_INTERNAL,
             GetDisplayConnectionTypeFromName("LVDSxx"));
@@ skipping 36 matching lines @@
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_UNKNOWN,
             GetDisplayConnectionTypeFromName("VG"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_UNKNOWN,
             GetDisplayConnectionTypeFromName("HDM"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_UNKNOWN,
             GetDisplayConnectionTypeFromName("DV"));
   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_UNKNOWN,
             GetDisplayConnectionTypeFromName("D"));
 }
 
-}  // namespace ui
+}  // namespace display