Removed FrameView's windowToContents and contentsToWindow methods.

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
diff --git a/Source/core/frame/LocalFrame.cpp b/Source/core/frame/LocalFrame.cpp
index 0ea5a2a94226d77baa61646f02961e34e0f4ec28..e12bbba282e6d19d101a7c34a96c0af79b93c7f1 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -699,12 +699,12 @@ VisiblePosition LocalFrame::visiblePositionForPoint(const IntPoint& framePoint)
     return visiblePos;
 }
 
-Document* LocalFrame::documentAtPoint(const IntPoint& point)
+Document* LocalFrame::documentAtPoint(const IntPoint& pointInRootFrame)
 {
     if (!view())
         return nullptr;
 
-    IntPoint pt = view()->windowToContents(point);
+    IntPoint pt = view()->rootFrameToContents(pointInRootFrame);
     HitTestResult result = HitTestResult(pt);
 
     if (contentRenderer())