Sky: Move iframe geometry updates to FrameView::updateLayout instead of

sky/engine/core/frame/FrameView.h

Index: sky/engine/core/frame/FrameView.h
diff --git a/sky/engine/core/frame/FrameView.h b/sky/engine/core/frame/FrameView.h
index c619f967c8a30c1485355cffd03589b1f500aa0d..91308009ea8759ec5d079aeb8b5254f8cbc08836 100644
--- a/sky/engine/core/frame/FrameView.h
+++ b/sky/engine/core/frame/FrameView.h
@@ -26,6 +26,7 @@
 #define FrameView_h
 
 #include "core/rendering/PaintPhase.h"
+#include "core/rendering/RenderIFrame.h"
 #include "platform/HostWindow.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/Widget.h"
@@ -208,6 +209,10 @@ public:
     bool paintsEntireContents() const { return false; }
     bool clipsPaintInvalidations() const { return true; }
 
+    void addIFrame(RenderIFrame* iframe);
+    void removeIFrame(RenderIFrame* iframe);
+    void updateIFramesAfterLayout();
+
 protected:
     bool isVerticalDocument() const;
     bool isFlippedDocument() const;
@@ -304,6 +309,8 @@ private:
     bool m_layoutSizeFixedToFrameSize;
 
     Vector<IntRect> m_tickmarks;
+
+    WTF::HashSet<RenderIFrame*> m_iframes;
 };
 
 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFrameView());