Moves mash/wm into ash/mus

ash/mus/bridge/wm_lookup_mus.h

 // 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.
 
-#ifndef MASH_WM_BRIDGE_WM_LOOKUP_MUS_H_
-#define MASH_WM_BRIDGE_WM_LOOKUP_MUS_H_
+#ifndef ASH_MUS_BRIDGE_WM_LOOKUP_MUS_H_
+#define ASH_MUS_BRIDGE_WM_LOOKUP_MUS_H_
 
 #include <stdint.h>
 
 #include "ash/common/wm/wm_lookup.h"
 #include "base/macros.h"
 
-namespace mash {
-namespace wm {
+namespace ash {
+namespace mus {
 
 // WmLookup implementation for mus.
-class WmLookupMus : public ash::wm::WmLookup {
+class WmLookupMus : public wm::WmLookup {
  public:
   WmLookupMus();
   ~WmLookupMus() override;
 
-  // ash::wm::WmLookup:
-  ash::wm::WmRootWindowController* GetRootWindowControllerWithDisplayId(
+  // wm::WmLookup:
+  wm::WmRootWindowController* GetRootWindowControllerWithDisplayId(
       int64_t id) override;
-  ash::wm::WmWindow* GetWindowForWidget(views::Widget* widget) override;
+  wm::WmWindow* GetWindowForWidget(views::Widget* widget) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WmLookupMus);
 };
 
-}  // namespace wm
-}  // namespace mash
+}  // namespace mus
+}  // namespace ash
 
-#endif  // MASH_WM_BRIDGE_WM_LOOKUP_MUS_H_
+#endif  // ASH_MUS_BRIDGE_WM_LOOKUP_MUS_H_