Rename the aura_shell namespace to ash

ash/accelerators/accelerator_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/accelerators/accelerator_filter.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "ui/aura/event.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/base/accelerators/accelerator_manager.h"
 
 namespace {
 const int kModifierFlagMask = (ui::EF_SHIFT_DOWN |
                                ui::EF_CONTROL_DOWN |
                                ui::EF_ALT_DOWN);
 }  // namespace
 
-namespace aura_shell {
+namespace ash {
 namespace internal {
 
 ////////////////////////////////////////////////////////////////////////////////
 // AcceleratorFilter, public:
 
 AcceleratorFilter::AcceleratorFilter()
     : EventFilter(aura::RootWindow::GetInstance()) {
 }
 
 AcceleratorFilter::~AcceleratorFilter() {
@@ skipping 17 matching lines @@
   return false;
 }
 
 ui::TouchStatus AcceleratorFilter::PreHandleTouchEvent(
     aura::Window* target,
     aura::TouchEvent* event) {
   return ui::TOUCH_STATUS_UNKNOWN;
 }
 
 }  // namespace internal
-}  // namespace aura_shell
+}  // namespace ash