Ash/aura split: NativeWidgetAura::GetWindowScreenBounds() should return screen bounds.

ui/views/widget/native_widget_helper_aura.h

Index: ui/views/widget/native_widget_helper_aura.h
diff --git a/ui/views/widget/native_widget_helper_aura.h b/ui/views/widget/native_widget_helper_aura.h
index 4d73932724a691a91f05b2c59164380c090e2b84..b89ce0fe62cd7e1d22c3b4f5dec715fd32a25f6d 100644
--- a/ui/views/widget/native_widget_helper_aura.h
+++ b/ui/views/widget/native_widget_helper_aura.h
@@ -30,7 +30,12 @@ class VIEWS_EXPORT NativeWidgetHelperAura {
   // If this NativeWidgetAura has its own RootWindow, sets the position at the
   // |root_window_|, and returns modified bounds to set the origin to
   // zero. Otherwise, pass through in_bounds.
-  virtual gfx::Rect ModifyAndSetBounds(gfx::Rect bounds) = 0;
+  virtual gfx::Rect ModifyAndSetBounds(const gfx::Rect& bounds) = 0;
+
+  // Takes bounds relative to the RootWindow and changes them to be relative to
+  // the screen.
+  virtual gfx::Rect ChangeRootWindowBoundsToScreenBounds(
+      const gfx::Rect& bounds) = 0;
 };
 
 }  // namespace views