Correct location adjustment in FrameView::ConvertSelfToChild

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 92fc41da4e9b6acd0ff2bff1a01d8aa5c2561f3b..f6c435efc9d2bae3f607bae98aa0ac5a160278dc 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -3651,7 +3651,7 @@ IntPoint FrameView::ConvertSelfToChild(const FrameOrPlugin& child,
                                        const IntPoint& point) const {
   IntPoint new_point = point;
   new_point = FrameToContents(point);
-  new_point.MoveBy(child.FrameRect().Location());
+  new_point.MoveBy(-child.FrameRect().Location());
   return new_point;
 }