Revert of [runtime] Change JavaScriptFrame::GetFunctions interface.

src/runtime/runtime-scopes.cc

Index: src/runtime/runtime-scopes.cc
diff --git a/src/runtime/runtime-scopes.cc b/src/runtime/runtime-scopes.cc
index 6dae7dd609d9b4801b163ca28daf916875bc0fc9..a138fff5c34db05a0263bf7636ec6fd010940e64 100644
--- a/src/runtime/runtime-scopes.cc
+++ b/src/runtime/runtime-scopes.cc
@@ -353,7 +353,7 @@
   // Find frame containing arguments passed to the caller.
   JavaScriptFrameIterator it(isolate);
   JavaScriptFrame* frame = it.frame();
-  List<SharedFunctionInfo*> functions(2);
+  List<JSFunction*> functions(2);
   frame->GetFunctions(&functions);
   if (functions.length() > 1) {
     int inlined_jsframe_index = functions.length() - 1;