Rename the aura_shell namespace to ash

ash/wm/default_container_event_filter.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/default_container_event_filter.h"
 
 #include "ash/wm/default_container_layout_manager.h"
 #include "ash/wm/window_frame.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 
 namespace {
 
 // Sends OnWindowHoveredChanged(|hovered|) to the WindowFrame for |window|,
 // which may be NULL.
 void WindowHoverChanged(aura::Window* window, bool hovered) {
   if (!window)
     return;
-  aura_shell::WindowFrame* window_frame =
-      static_cast<aura_shell::WindowFrame*>(
-          window->GetProperty(aura_shell::kWindowFrameKey));
+  ash::WindowFrame* window_frame =
+      static_cast<ash::WindowFrame*>(
+          window->GetProperty(ash::kWindowFrameKey));
   if (!window_frame)
     return;
   window_frame->OnWindowHoverChanged(hovered);
 }
 
 }  // namespace
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 DefaultContainerEventFilter::DefaultContainerEventFilter(aura::Window* owner)
     : ToplevelWindowEventFilter(owner),
       drag_state_(DRAG_NONE),
       hovered_window_(NULL) {
 }
 
 DefaultContainerEventFilter::~DefaultContainerEventFilter() {
 }
@@ skipping 78 matching lines @@
 
 void DefaultContainerEventFilter::UpdateHoveredWindow(
     aura::Window* toplevel_window) {
   if (toplevel_window == hovered_window_)
     return;
   WindowHoverChanged(hovered_window_, false);
   hovered_window_ = toplevel_window;
   WindowHoverChanged(hovered_window_, true);
 }
 
-}  // internal
-}  // aura_shell
+}  // namespace internal
+}  // namespace ash