Add ScreenWin::GetSystemMetricsForHwnd

ui/display/win/screen_win.h

 // Copyright (c) 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_SCREEN_WIN_H_
 #define UI_DISPLAY_WIN_SCREEN_WIN_H_
 
 #include <windows.h>
 
 #include <memory>
@@ skipping 71 matching lines @@
   static gfx::Rect DIPToClientRect(HWND hwnd, const gfx::Rect& dip_bounds);
 
   // Converts a physical size to a DIP size.
   // The DPI scale is performed relative to the display nearest to |hwnd|.
   static gfx::Size ScreenToDIPSize(HWND hwnd, const gfx::Size& size_in_pixels);
 
   // Converts a DIP size to a physical size.
   // The DPI scale is performed relative to the display nearest to |hwnd|.
   static gfx::Size DIPToScreenSize(HWND hwnd, const gfx::Size& dip_size);
 
+  // Returns the result of GetSystemMetrics for |metric| scaled to |hwnd|'s DPI.
+  static int GetSystemMetricsForHwnd(HWND hwnd, int metric);
+
   // Returns the HWND associated with the NativeView.
   virtual HWND GetHWNDFromNativeView(gfx::NativeView window) const;
 
   // Returns the NativeView associated with the HWND.
   virtual gfx::NativeWindow GetNativeWindowFromHWND(HWND hwnd) const;
 
  protected:
   // display::Screen:
   gfx::Point GetCursorScreenPoint() override;
   bool IsWindowUnderCursor(gfx::NativeWindow window) override;
@@ skipping 18 matching lines @@
 
   // Virtual to support mocking by unit tests.
   virtual void Initialize();
   virtual MONITORINFOEX MonitorInfoFromScreenPoint(
       const gfx::Point& screen_point) const;
   virtual MONITORINFOEX MonitorInfoFromScreenRect(const gfx::Rect& screen_rect)
       const;
   virtual MONITORINFOEX MonitorInfoFromWindow(HWND hwnd, DWORD default_options)
       const;
   virtual HWND GetRootWindow(HWND hwnd) const;
+  virtual int GetSystemMetrics(int metric) const;
 
  private:
   void OnWndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
 
   // Returns the ScreenWinDisplay closest to or enclosing |hwnd|.
   ScreenWinDisplay GetScreenWinDisplayNearestHWND(HWND hwnd) const;
 
   // Returns the ScreenWinDisplay closest to or enclosing |screen_rect|.
   ScreenWinDisplay GetScreenWinDisplayNearestScreenRect(
       const gfx::Rect& screen_rect) const;
@@ skipping 31 matching lines @@
   // Current list of ScreenWinDisplays.
   std::vector<ScreenWinDisplay> screen_win_displays_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenWin);
 };
 
 }  // namespace win
 }  // namespace display
 
 #endif  // UI_DISPLAY_WIN_SCREEN_WIN_H_