Make LiveEdit natives fuzzy

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 3fa41e9fab0b1e2acaf32ab9b8352de89dd29a6b..e8fb51695d8c06e7f925d268a949bd995eaa2e70 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -9730,9 +9730,7 @@ static Object* Runtime_LiveEditReplaceFunctionCode(Arguments args) {
   CONVERT_ARG_CHECKED(JSArray, new_compile_info, 0);
   CONVERT_ARG_CHECKED(JSArray, shared_info, 1);
 
-  LiveEdit::ReplaceFunctionCode(new_compile_info, shared_info);
-
-  return Heap::undefined_value();
+  return LiveEdit::ReplaceFunctionCode(new_compile_info, shared_info);
 }
 
 // Connects SharedFunctionInfo to another script.
@@ -9787,9 +9785,7 @@ static Object* Runtime_LiveEditPatchFunctionPositions(Arguments args) {
   CONVERT_ARG_CHECKED(JSArray, shared_array, 0);
   CONVERT_ARG_CHECKED(JSArray, position_change_array, 1);
 
-  LiveEdit::PatchFunctionPositions(shared_array, position_change_array);
-
-  return Heap::undefined_value();
+  return LiveEdit::PatchFunctionPositions(shared_array, position_change_array);
 }