p1 mus+ash chrome renders ui and content

ui/views/mus/window_tree_host_mus.h

 // Copyright 2015 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_MUS_WINDOW_TREE_HOST_MUS_H_
 #define UI_VIEWS_MUS_WINDOW_TREE_HOST_MUS_H_
 
 #include "base/macros.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "ui/aura/window_tree_host_platform.h"
 #include "ui/views/mus/mus_export.h"
 
 class SkBitmap;
 
+namespace bitmap_uploader {
+class BitmapUploader;
+}
+
 namespace mojo {
 class Shell;
 }
 
 namespace mus {
 class Window;
 }
 
 namespace ui {
 class Compositor;
+class ViewProp;
 }
 
 namespace views {
 
 class InputMethodMUS;
 class NativeWidgetMus;
 class PlatformWindowMus;
 
 class VIEWS_MUS_EXPORT WindowTreeHostMus : public aura::WindowTreeHostPlatform {
  public:
   WindowTreeHostMus(mojo::Shell* shell,
                     NativeWidgetMus* native_widget_,
                     mus::Window* window,
                     mus::mojom::SurfaceType surface_type);
   ~WindowTreeHostMus() override;
 
   PlatformWindowMus* platform_window();
+  bitmap_uploader::BitmapUploader* bitmap_uploader() {
+    return bitmap_uploader_.get();
+  };
   ui::PlatformWindowState show_state() const { return show_state_; }
 
  private:
   // aura::WindowTreeHostPlatform:
   void DispatchEvent(ui::Event* event) override;
   void OnClosed() override;
   void OnWindowStateChanged(ui::PlatformWindowState new_state) override;
   void OnActivationChanged(bool active) override;
 
   NativeWidgetMus* native_widget_;
   scoped_ptr<InputMethodMUS> input_method_;
   ui::PlatformWindowState show_state_;
+  scoped_ptr<bitmap_uploader::BitmapUploader> bitmap_uploader_;
+  scoped_ptr<ui::ViewProp> prop_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostMus);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_MUS_WINDOW_TREE_HOST_MUS_H_