services/ui: Remove deprecated gpu code

ui/views/mus/native_widget_mus.h

Index: ui/views/mus/native_widget_mus.h
diff --git a/ui/views/mus/native_widget_mus.h b/ui/views/mus/native_widget_mus.h
index 3634de419ebd58c1a188e3f72cd8f025e67fed11..06360fdf317b8a0230323c0b75f4b387ea8b4ac3 100644
--- a/ui/views/mus/native_widget_mus.h
+++ b/ui/views/mus/native_widget_mus.h
@@ -33,7 +33,6 @@ class Window;
 }
 
 namespace ui {
-class BitmapUploader;
 class Window;
 class WindowTreeClient;
 namespace mojom {
@@ -48,7 +47,6 @@ class Connector;
 
 namespace ui {
 class Event;
-class ViewProp;
 }
 
 namespace wm {
@@ -280,10 +278,6 @@ class VIEWS_MUS_EXPORT NativeWidgetMus
   std::unique_ptr<aura::client::ScreenPositionClient> screen_position_client_;
   std::unique_ptr<wm::CursorManager> cursor_manager_;
 
-  // Bitmap management.
-  std::unique_ptr<ui::BitmapUploader> bitmap_uploader_;
-  std::unique_ptr<ui::ViewProp> prop_;
-
   base::WeakPtrFactory<NativeWidgetMus> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetMus);