Sky: update the HTMLIFrameElement's geometry during paint invalidation rather

sky/engine/core/rendering/RenderIFrame.h

Index: sky/engine/core/rendering/RenderIFrame.h
diff --git a/sky/engine/core/rendering/RenderIFrame.h b/sky/engine/core/rendering/RenderIFrame.h
index feed59ed70e986d8fa7c74364854b884ecfebc4a..eaf5860d43e2f333c79740dfbe57aa8c97fdab42 100644
--- a/sky/engine/core/rendering/RenderIFrame.h
+++ b/sky/engine/core/rendering/RenderIFrame.h
@@ -16,8 +16,8 @@ public:
     explicit RenderIFrame(HTMLIFrameElement*);
     virtual ~RenderIFrame();
 
-protected:
-    void layout() override;
+    // RenderReplaced methods:
+    void invalidateWidgetBounds() override;
 
 private:
     LayerType layerTypeRequired() const override { return NormalLayer; }