Seems incorrect to se device_scale_factor in SetLocalSurfaceId.

cc/surfaces/direct_compositor_frame_sink.cc

 // Copyright 2014 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 "cc/surfaces/direct_compositor_frame_sink.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_sink_client.h"
 #include "cc/surfaces/display.h"
@@ skipping 75 matching lines @@
 
   CompositorFrameSink::DetachFromClient();
 }
 
 void DirectCompositorFrameSink::SubmitCompositorFrame(CompositorFrame frame) {
   gfx::Size frame_size = frame.render_pass_list.back()->output_rect.size();
   if (frame_size.IsEmpty() || frame_size != last_swap_frame_size_) {
     delegated_local_surface_id_ = surface_id_allocator_.GenerateId();
     last_swap_frame_size_ = frame_size;
   }
-  display_->SetLocalSurfaceId(delegated_local_surface_id_,
-                              frame.metadata.device_scale_factor);
+  display_->SetLocalSurfaceId(delegated_local_surface_id_);
+  display_->SetDeviceScaleFactor(frame.metadata.device_scale_factor);
 
   factory_.SubmitCompositorFrame(
       delegated_local_surface_id_, std::move(frame),
       base::Bind(&DirectCompositorFrameSink::DidDrawCallback,
                  base::Unretained(this)));
 }
 
 void DirectCompositorFrameSink::ForceReclaimResources() {
   if (delegated_local_surface_id_.is_valid())
     factory_.ClearSurface();
@@ skipping 26 matching lines @@
   // This notification is not relevant to our client outside of tests. We
   // unblock the client from DidDrawCallback() when the surface is going to
   // be drawn.
 }
 
 void DirectCompositorFrameSink::DidDrawCallback() {
   client_->DidReceiveCompositorFrameAck();
 }
 
 }  // namespace cc