Scale bounds in DesktopWindowTreeHostMus and in calls to SetBounds.

ui/views/mus/window_tree_host_mus.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 "ui/views/mus/window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "services/ui/public/cpp/window.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event.h"
+#include "ui/gfx/geometry/dip_util.h"
 #include "ui/platform_window/stub/stub_window.h"
 #include "ui/views/mus/input_method_mus.h"
 #include "ui/views/mus/native_widget_mus.h"
 
 namespace views {
 
 namespace {
 static uint32_t accelerated_widget_count = 1;
 
 bool IsUsingTestContext() {
@@ skipping 27 matching lines @@
   // TODO(markdittmer): Use correct device-scale-factor from |window|.
   OnAcceleratedWidgetAvailable(accelerated_widget, 1.f);
 
   SetPlatformWindow(base::MakeUnique<ui::StubWindow>(
       this,
       false));  // Do not advertise accelerated widget; already set manually.
 
   compositor()->SetWindow(window);
 
   // Initialize the stub platform window bounds to those of the ui::Window.
-  platform_window()->SetBounds(window->bounds());
+  platform_window()->SetBounds(gfx::ConvertRectToPixel(
+      compositor()->device_scale_factor(), window->bounds()));
 
   compositor()->SetHostHasTransparentBackground(true);
 }
 
 WindowTreeHostMus::~WindowTreeHostMus() {
   DestroyCompositor();
   DestroyDispatcher();
 }
 
 void WindowTreeHostMus::DispatchEvent(ui::Event* event) {
@@ skipping 20 matching lines @@
 void WindowTreeHostMus::OnCloseRequest() {
   OnHostCloseRequested();
 }
 
 gfx::ICCProfile WindowTreeHostMus::GetICCProfileForCurrentDisplay() {
   // TODO: This should read the profile from mus. crbug.com/647510
   return gfx::ICCProfile();
 }
 
 }  // namespace views