Route selection bounds updates through WebLayerTreeView

Source/core/editing/RenderedPosition.h

Index: Source/core/editing/RenderedPosition.h
diff --git a/Source/core/editing/RenderedPosition.h b/Source/core/editing/RenderedPosition.h
index 6abc66fbe1148a5e1e42a858dec2ac990cc63487..2b545274d5698fd584aeb002cd6d9011491d691c 100644
--- a/Source/core/editing/RenderedPosition.h
+++ b/Source/core/editing/RenderedPosition.h
@@ -36,10 +36,12 @@
 
 namespace blink {
 
+class GraphicsLayer;
 class LayoutUnit;
 class Position;
 class RenderObject;
 class VisiblePosition;
+struct CompositedSelectionBound;
 
 class RenderedPosition {
 public:
@@ -68,6 +70,7 @@ public:
     Position positionAtRightBoundaryOfBiDiRun() const;
 
     IntRect absoluteRect(LayoutUnit* extraWidthToEndOfLine = 0) const;
+    void positionInGraphicsLayerBacking(CompositedSelectionBound&) const;
 
 private:
     bool operator==(const RenderedPosition&) const { return false; }