Eliminate ash::internal namespace

ash/display/display_manager.cc

 // Copyright (c) 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 "ash/display/display_manager.h"
 
 #include <cmath>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 25 matching lines @@
 #if defined(OS_CHROMEOS)
 #include "ash/display/output_configurator_animation.h"
 #include "base/sys_info.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #endif
 
 namespace ash {
-namespace internal {
 typedef std::vector<gfx::Display> DisplayList;
 typedef std::vector<DisplayInfo> DisplayInfoList;
 
 namespace {
 
 // We need to keep this in order for unittests to tell if
 // the object in gfx::Screen::GetScreenByType is for shutdown.
 gfx::Screen* screen_for_shutdown = NULL;
 
 // The number of pixels to overlap between the primary and secondary displays,
@@ skipping 1053 matching lines @@
     case DisplayLayout::LEFT:
       new_secondary_origin.Offset(-secondary_bounds.width(), offset);
       break;
   }
   gfx::Insets insets = secondary_display->GetWorkAreaInsets();
   secondary_display->set_bounds(
       gfx::Rect(new_secondary_origin, secondary_bounds.size()));
   secondary_display->UpdateWorkAreaFromInsets(insets);
 }
 
-}  // namespace internal
 }  // namespace ash