Eliminate ash::internal namespace

chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc

 // Copyright 2012 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 "chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
 
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/wm/window_positioner.h"
@@ skipping 135 matching lines @@
 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
     const base::string16& search_string) {
   GURL url(GetDefaultSearchURLForSearchTerms(
       ProfileManager::GetActiveUserProfile(), search_string));
   if (url.is_valid())
     OpenURL(url);
 }
 
 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
                                                        uint32 height) {
-  std::vector<ash::internal::DisplayInfo> info_list;
-  info_list.push_back(ash::internal::DisplayInfo::CreateFromSpec(
+  std::vector<ash::DisplayInfo> info_list;
+  info_list.push_back(ash::DisplayInfo::CreateFromSpec(
       base::StringPrintf("%dx%d*%f", width, height, gfx::GetModernUIScale())));
   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
       info_list);
   aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
                                                                      height);
 }