Multiple DPI Tracking for ScreenWin

components/metrics/ui/screen_info_metrics_provider.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 "components/metrics/ui/screen_info_metrics_provider.h"
 
 #include "build/build_config.h"
 #include "components/metrics/proto/system_profile.pb.h"
+#include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 
 namespace metrics {
 
 #if defined(OS_WIN)
 
 #include <windows.h>
 
 namespace {
 
@@ skipping 64 matching lines @@
 
 float ScreenInfoMetricsProvider::GetScreenDeviceScaleFactor() const {
   return gfx::Screen::GetScreen()->GetPrimaryDisplay().device_scale_factor();
 }
 
 int ScreenInfoMetricsProvider::GetScreenCount() const {
   return gfx::Screen::GetScreen()->GetNumDisplays();
 }
 
 }  // namespace metrics