Rename the aura_shell namespace to ash

ash/wm/modal_container_layout_manager.cc

 // Copyright (c) 2011 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/modal_container_layout_manager.h"
 
 #include "ash/shell.h"
 #include "ash/wm/modality_event_filter.h"
 #include "ash/wm/window_util.h"
 #include "base/bind.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/event.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/compositor/layer.h"
 #include "ui/gfx/compositor/layer_animator.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 namespace {
 
 class ScreenView : public views::View {
  public:
   ScreenView() {}
   virtual ~ScreenView() {}
 
   // Overridden from views::View:
@@ skipping 107 matching lines @@
 
 void ModalContainerLayoutManager::RemoveModalWindow(aura::Window* window) {
   aura::Window::Windows::iterator it =
       std::find(modal_windows_.begin(), modal_windows_.end(), window);
   if (it != modal_windows_.end())
     modal_windows_.erase(it);
 
   if (modal_windows_.empty())
     HideModalScreen();
   else
-    aura_shell::ActivateWindow(modal_window());
+    ash::ActivateWindow(modal_window());
 }
 
 void ModalContainerLayoutManager::CreateModalScreen() {
   if (modal_screen_)
     return;
   modal_screen_ = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
   params.parent = container_;
   params.bounds = gfx::Rect(0, 0, container_->bounds().width(),
                             container_->bounds().height());
@@ skipping 20 matching lines @@
 }
 
 void ModalContainerLayoutManager::HideModalScreen() {
   Shell::GetInstance()->RemoveRootWindowEventFilter(modality_filter_.get());
   ui::LayerAnimator::ScopedSettings settings(
       modal_screen_->GetNativeView()->layer()->GetAnimator());
   modal_screen_->GetNativeView()->layer()->SetOpacity(0.0f);
 }
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash