Add context to gfx::Screen calls in support of simultaneous desktop+ash

ui/views/views_delegate.h

Index: ui/views/views_delegate.h
diff --git a/ui/views/views_delegate.h b/ui/views/views_delegate.h
index c49bf9b022242071a5bf6ab1850854ff68d49e06..84ddeff558d073823e51906acad97c0366ae6d57 100644
--- a/ui/views/views_delegate.h
+++ b/ui/views/views_delegate.h
@@ -109,7 +109,7 @@ class VIEWS_EXPORT ViewsDelegate {
   // Creates an object that implements desktop integration behavior. Returned
   // object is owned by the NativeWidgetAura passed in. May return NULL.
   virtual NativeWidgetHelperAura* CreateNativeWidgetHelper(
-      NativeWidgetAura* native_widget) = 0;
+      NativeWidgetAura* native_widget, gfx::NativeView parent) = 0;
 #endif
 
   // Creates a web contents. This will return NULL unless overriden.