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

ui/views/widget/desktop_aura/desktop_window_tree_host_win.h

Index: ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
index 363c0193819c67b5761e50eda2ec650ac9c0917b..2d65c8a287534aeda2201ca7077bea2f5aee5aad 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
@@ -143,6 +143,7 @@ class VIEWS_EXPORT DesktopWindowTreeHostWin
   bool GetClientAreaInsets(gfx::Insets* insets) const override;
   void GetMinMaxSize(gfx::Size* min_size, gfx::Size* max_size) const override;
   gfx::Size GetRootViewSize() const override;
+  gfx::Size DIPToScreenSize(const gfx::Size& dip_size) const override;
   void ResetWindowControls() override;
   gfx::NativeViewAccessible GetNativeViewAccessible() override;
   bool ShouldHandleSystemCommands() const override;