Removed FrameView's windowToContents and contentsToWindow methods.

Source/web/WebViewImpl.h

Index: Source/web/WebViewImpl.h
diff --git a/Source/web/WebViewImpl.h b/Source/web/WebViewImpl.h
index 5531d7a55ffa737936a8ffc3abafd0991b0c59fe..403d8978831a09bec02123de63625325a61b5784 100644
--- a/Source/web/WebViewImpl.h
+++ b/Source/web/WebViewImpl.h
@@ -580,9 +580,9 @@ private:
 
     void hideSelectPopup();
 
-    // Converts |pos| from window coordinates to contents coordinates and gets
+    // Converts |pos| from root frame coordinates to contents coordinates and gets
     // the HitTestResult for it.
-    HitTestResult hitTestResultForWindowPos(const IntPoint&);
+    HitTestResult hitTestResultForRootFramePos(const IntPoint&);
 
     // Consolidate some common code between starting a drag over a target and
     // updating a drag over a target. If we're starting a drag, |isEntering|