Recompute overflow after transform changes

Source/core/frame/FrameView.cpp

Index: Source/core/frame/FrameView.cpp
diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
index db19213305ef88df50aa46dc433e04cd25b2b4f9..c86b12a15b92c008585b70d91ca51862cda65111 100644
--- a/Source/core/frame/FrameView.cpp
+++ b/Source/core/frame/FrameView.cpp
@@ -601,6 +601,16 @@ void FrameView::calculateScrollbarModesForLayoutAndSetViewportRenderer(Scrollbar
     }
 }
 
+void FrameView::recalcOverflowAfterStyleChange()
+{
+    RenderView* renderView = this->renderView();
+    if (!renderView || !renderView->needsOverflowRecalcAfterStyleChange())
+        return;
+
+    renderView->recalcOverflowAfterStyleChange();
+    adjustViewSize();
+}
+
 void FrameView::updateCompositingLayersAfterStyleChange()
 {
     TRACE_EVENT0("webkit", "FrameView::updateCompositingLayersAfterStyleChange");