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 81 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_ = local_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);
 
   support_->SubmitCompositorFrame(delegated_local_surface_id_,
                                   std::move(frame));
 }
 
 void DirectCompositorFrameSink::ForceReclaimResources() {
   support_->ForceReclaimResources();
 }
 
 void DirectCompositorFrameSink::DisplayOutputSurfaceLost() {
@@ skipping 34 matching lines @@
 
 void DirectCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frame) {
   support_->SetNeedsBeginFrame(needs_begin_frame);
 }
 
 void DirectCompositorFrameSink::OnDidFinishFrame(const BeginFrameAck& ack) {
   // TODO(eseckler): Pass on the ack to support_ and its BeginFrameSource.
 }
 
 }  // namespace cc