Create ScreenWin::GetSystemMetricsInDIP and Correctly Deprecate display::win::GetSystemMetricsInDIP

ui/display/win/dpi.h

 // Copyright 2012 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.
 
 #ifndef UI_DISPLAY_WIN_DPI_H_
 #define UI_DISPLAY_WIN_DPI_H_
 
 #include "ui/display/display_export.h"
 #include "ui/gfx/geometry/size.h"
 
@@ skipping 11 matching lines @@
 // Gets the system's scale factor. For example, if the system DPI is 96 then the
 // scale factor is 1.0. This does not handle per-monitor DPI.
 DISPLAY_EXPORT float GetDPIScale();
 
 // Returns the equivalent DPI for |device_scaling_factor|.
 DISPLAY_EXPORT int GetDPIFromScalingFactor(float device_scaling_factor);
 
 // Returns the equivalent scaling factor for |dpi|.
 DISPLAY_EXPORT float GetScalingFactorFromDPI(int dpi);
 
-// Deprecated. Use display::win::ScreenWin::GetSystemMetricsForHwnd instead.
+// Deprecated. Use display::win::ScreenWin::GetSystemMetricsInDIP instead.
 //
 // Win32's GetSystemMetrics uses pixel measures. This function calls
 // GetSystemMetrics for the given |metric|, then converts the result using the
-// system's DPI to DIP. This does not handle per-monitor DPI.
+// system's DPI to DIP.
 DISPLAY_EXPORT int GetSystemMetricsInDIP(int metric);
 
 }  // namespace win
 }  // namespace display
 
 #endif  // UI_DISPLAY_WIN_DPI_H_