mustash: Use ui::chromeos::EventRewriter in mus

ui/views/widget/widget.h

 // Copyright (c) 2012 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 UI_VIEWS_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 811 matching lines @@
   Widget* AsWidget() override;
   const Widget* AsWidget() const override;
   bool SetInitialFocus(ui::WindowShowState show_state) override;
   bool ShouldDescendIntoChildForEventHandling(
       ui::Layer* root_layer,
       gfx::NativeView child,
       ui::Layer* child_layer,
       const gfx::Point& location) override;
 
   // Overridden from ui::EventSource:
-  ui::EventProcessor* GetEventProcessor() override;
+  ui::EventSink* GetEventSink() override;
 
   // Overridden from FocusTraversable:
   FocusSearch* GetFocusSearch() override;
   FocusTraversable* GetFocusTraversableParent() override;
   View* GetFocusTraversableParentView() override;
 
   // Overridden from ui::NativeThemeObserver:
   void OnNativeThemeUpdated(ui::NativeTheme* observed_theme) override;
 
  protected:
@@ skipping 145 matching lines @@
   bool movement_disabled_;
 
   ScopedObserver<ui::NativeTheme, ui::NativeThemeObserver> observer_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_