Refactor Windows DPI Point, Rect, and Size for Multiple Monitor DPI Awareness

ui/gfx/screen.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_GFX_SCREEN_H_
 #define UI_GFX_SCREEN_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 73 matching lines @@
   virtual gfx::Display GetDisplayMatching(
       const gfx::Rect& match_rect) const = 0;
 
   // Returns the primary display.
   virtual gfx::Display GetPrimaryDisplay() const = 0;
 
   // Adds/Removes display observers.
   virtual void AddObserver(DisplayObserver* observer) = 0;
   virtual void RemoveObserver(DisplayObserver* observer) = 0;
 
+  // Converts |screen_rect| to DIP coordinates in the context of view. If |view|
+  // is null, the primary display is used as the context.
+  virtual gfx::Rect ScreenToDIPRectInWindow(NativeView view,
+                                            const gfx::Rect& screen_rect) const;
+
+  // Converts |dip_rect| to screen coordinates in the context of view. If |view|
+  // is null, the primary display is used as the context.
+  virtual gfx::Rect DIPToScreenRectInWindow(NativeView view,
+                                            const gfx::Rect& dip_rect) const;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(Screen);
 };
 
 Screen* CreateNativeScreen();
 
 }  // namespace gfx
 
 #endif  // UI_GFX_SCREEN_H_