Replaces ::ui:: with ui:: in ash

ash/mus/frame/non_client_frame_view_mash.h

Index: ash/mus/frame/non_client_frame_view_mash.h
diff --git a/ash/mus/frame/non_client_frame_view_mash.h b/ash/mus/frame/non_client_frame_view_mash.h
index 1b2a32d07e1872a4a2dd0404b358efa23299d79e..70f4e4edad1d2ec0fa67a39e45a560544fbd66e8 100644
--- a/ash/mus/frame/non_client_frame_view_mash.h
+++ b/ash/mus/frame/non_client_frame_view_mash.h
@@ -30,13 +30,13 @@ namespace mus {
 class FrameCaptionButtonContainerView;
 
 class NonClientFrameViewMash : public views::NonClientFrameView,
-                               public ::ui::WindowObserver,
-                               public ::ui::WindowTreeClientObserver {
+                               public ui::WindowObserver,
+                               public ui::WindowTreeClientObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
-  NonClientFrameViewMash(views::Widget* frame, ::ui::Window* window);
+  NonClientFrameViewMash(views::Widget* frame, ui::Window* window);
   ~NonClientFrameViewMash() override;
 
   static gfx::Insets GetPreferredClientAreaInsets();
@@ -68,12 +68,12 @@ class NonClientFrameViewMash : public views::NonClientFrameView,
 
   // ui::WindowObserver:
   void OnWindowClientAreaChanged(
-      ::ui::Window* window,
+      ui::Window* window,
       const gfx::Insets& old_client_area,
       const std::vector<gfx::Rect>& old_additional_client_area) override;
-  void OnWindowDestroyed(::ui::Window* window) override;
+  void OnWindowDestroyed(ui::Window* window) override;
   void OnWindowSharedPropertyChanged(
-      ::ui::Window* window,
+      ui::Window* window,
       const std::string& name,
       const std::vector<uint8_t>* old_data,
       const std::vector<uint8_t>* new_data) override;
@@ -90,13 +90,13 @@ class NonClientFrameViewMash : public views::NonClientFrameView,
   void RemoveObservers();
 
   // ui::WindowTreeClientObserver:
-  void OnWindowTreeFocusChanged(::ui::Window* gained_focus,
-                                ::ui::Window* lost_focus) override;
+  void OnWindowTreeFocusChanged(ui::Window* gained_focus,
+                                ui::Window* lost_focus) override;
 
   // Not owned.
   views::Widget* frame_;
 
-  ::ui::Window* window_;
+  ui::Window* window_;
   ui::PaintCache paint_cache_;
 
   // View which contains the title and window controls.