Moves mash/wm into ash/mus

ash/mus/bridge/wm_lookup_mus.cc

 // Copyright 2016 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 "mash/wm/bridge/wm_lookup_mus.h"
+#include "ash/mus/bridge/wm_lookup_mus.h"
 
-#include "mash/wm/bridge/wm_globals_mus.h"
-#include "mash/wm/bridge/wm_root_window_controller_mus.h"
-#include "mash/wm/bridge/wm_window_mus.h"
+#include "ash/mus/bridge/wm_globals_mus.h"
+#include "ash/mus/bridge/wm_root_window_controller_mus.h"
+#include "ash/mus/bridge/wm_window_mus.h"
 #include "ui/views/widget/widget.h"
 
-namespace mash {
-namespace wm {
+namespace ash {
+namespace mus {
 
 WmLookupMus::WmLookupMus() {
   WmLookup::Set(this);
 }
 
 WmLookupMus::~WmLookupMus() {
   if (WmLookupMus::Get() == this)
     WmLookup::Set(nullptr);
 }
 
-ash::wm::WmRootWindowController*
-WmLookupMus::GetRootWindowControllerWithDisplayId(int64_t id) {
+wm::WmRootWindowController* WmLookupMus::GetRootWindowControllerWithDisplayId(
+    int64_t id) {
   return WmGlobalsMus::Get()->GetRootWindowControllerWithDisplayId(id);
 }
 
-ash::wm::WmWindow* WmLookupMus::GetWindowForWidget(views::Widget* widget) {
+wm::WmWindow* WmLookupMus::GetWindowForWidget(views::Widget* widget) {
   return WmWindowMus::Get(widget);
 }
 
-}  // namespace wm
-}  // namespace mash
+}  // namespace mus
+}  // namespace ash