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 46f9383942d10b3a106785eb52db8b7e59ade6a4..59a84c886be9b2975ff5bad999e873324d4d789c 100644
--- a/ui/views/views_delegate.h
+++ b/ui/views/views_delegate.h
@@ -108,7 +108,7 @@ 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.