Account for perspective and preserve-3d in mapToVisualRectInAncestorSpace

third_party/WebKit/Source/core/layout/LayoutView.h

Index: third_party/WebKit/Source/core/layout/LayoutView.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.h b/third_party/WebKit/Source/core/layout/LayoutView.h
index 635088a1a92231c543b007785961d3b4285d1f7b..a53fc784f44467e12e329a39f232633570a194a5 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.h
+++ b/third_party/WebKit/Source/core/layout/LayoutView.h
@@ -117,13 +117,15 @@ class CORE_EXPORT LayoutView final : public LayoutBlockFlow {
   // |ancestor| can be nullptr, which will map the rect to the main frame's
   // space, even if the main frame is remote (or has intermediate remote
   // frames in the chain).
-  bool mapToVisualRectInAncestorSpace(const LayoutBoxModelObject* ancestor,
-                                      LayoutRect&,
-                                      MapCoordinatesFlags,
-                                      VisualRectFlags) const;
-  bool mapToVisualRectInAncestorSpace(
+  bool mapToVisualRectInAncestorSpaceInternal(
       const LayoutBoxModelObject* ancestor,
-      LayoutRect&,
+      TransformState&,
+      MapCoordinatesFlags,
+      VisualRectFlags) const;
+
+  bool mapToVisualRectInAncestorSpaceInternal(
+      const LayoutBoxModelObject* ancestor,
+      TransformState&,
       VisualRectFlags = DefaultVisualRectFlags) const override;
   LayoutSize offsetForFixedPosition(bool includePendingScroll = false) const;