cros: CustomFrameViewAsh avatar icon from a window prop

ash/mus/non_client_frame_controller.cc

 // 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.
 
 #include "ash/mus/non_client_frame_controller.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 195 matching lines @@
         base::MakeUnique<ImmersiveFullscreenControllerDelegateMus>(GetWidget(),
                                                                    window);
     // See description for details on ownership.
     custom_frame_view_ =
         new CustomFrameViewAsh(GetWidget(), immersive_delegate_.get(),
                                enable_immersive_, window_style_);
     // Only the header actually paints any content. So the rest of the region is
     // marked as transparent content (see below in NonClientFrameController()
     // ctor). So, it is necessary to provide a texture-layer for the header
     // view.
-    views::View* header_view = custom_frame_view_->header_view();
+    views::View* header_view = custom_frame_view_->GetHeaderView();
     header_view->SetPaintToLayer(ui::LAYER_TEXTURED);
     header_view->layer()->SetFillsBoundsOpaquely(false);
 
     return custom_frame_view_;
   }
 
  private:
   const bool remove_standard_frame_;
   const bool enable_immersive_;
   const mojom::WindowStyle window_style_;
@@ skipping 240 matching lines @@
 void NonClientFrameController::OnWillRestackTransientChildAbove(
     aura::Window* parent,
     aura::Window* transient_child) {}
 
 void NonClientFrameController::OnDidRestackTransientChildAbove(
     aura::Window* parent,
     aura::Window* transient_child) {}
 
 }  // namespace mus
 }  // namespace ash