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..2674d8016f485c5e0a0060df6c0d36e940dc13d0 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.h
+++ b/third_party/WebKit/Source/core/layout/LayoutView.h
@@ -114,16 +114,24 @@ class CORE_EXPORT LayoutView final : public LayoutBlockFlow {
 
   FrameView* frameView() const { return m_frameView; }
 
-  // |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).
+  // See comments for the equivalent method on LayoutObject.
   bool mapToVisualRectInAncestorSpace(const LayoutBoxModelObject* ancestor,
                                       LayoutRect&,
-                                      MapCoordinatesFlags,
+                                      MapCoordinatesFlags mode,
                                       VisualRectFlags) const;
-  bool mapToVisualRectInAncestorSpace(
+
+  // |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 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;