Eliminate ash::internal namespace

ash/wm/maximize_mode/maximize_mode_window_state.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 "ash/wm/maximize_mode/maximize_mode_window_state.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/maximize_mode/maximize_mode_window_manager.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_state_delegate.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/wm_event.h"
 #include "ash/wm/workspace/workspace_window_resizer.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/rect.h"
 
 namespace ash {
-namespace internal {
 namespace {
 
 // Returns the biggest possible size for a window which is about to be
 // maximized.
 gfx::Size GetMaximumSizeOfWindow(wm::WindowState* window_state) {
   DCHECK(window_state->CanMaximize());
 
   gfx::Size workspace_size = ScreenUtil::GetMaximizedWindowBoundsInParent(
       window_state->window()).size();
 
@@ skipping 179 matching lines @@
 
   if ((window_state->window()->TargetVisibility() ||
       old_state_type == wm::WINDOW_STATE_TYPE_MINIMIZED) &&
       !window_state->window()->layer()->visible()) {
     // The layer may be hidden if the window was previously minimized. Make
     // sure it's visible.
     window_state->window()->Show();
   }
 }
 
-}  // namespace internal
 }  // namespace ash