Eliminate ash::internal namespace

ash/wm/dock/docked_window_resizer.cc

 // Copyright 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/wm/dock/docked_window_resizer.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
@@ skipping 14 matching lines @@
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
-namespace internal {
-
 namespace {
 
 DockedWindowLayoutManager* GetDockedLayoutManagerAtPoint(
     const gfx::Point& point) {
   gfx::Display display = ScreenUtil::FindDisplayContainingPoint(point);
   if (!display.is_valid())
     return NULL;
   aura::Window* root = Shell::GetInstance()->display_controller()->
       GetRootWindowForDisplayId(display.id());
   aura::Window* dock_container = Shell::GetContainer(
@@ skipping 266 matching lines @@
   // to other windows. If it is just dragged (but not resized) while being
   // docked it is auto-sized unless it has been resized while being docked
   // before.
   if (is_docked_) {
     wm::GetWindowState(window)->set_bounds_changed_by_user(
         was_docked_ && (is_resized || was_bounds_changed_by_user_));
   }
   return action;
 }
 
-}  // namespace internal
 }  // namespace ash