[parser] Skipping inner funcs: add info about variables.

src/parsing/preparsed-scope-data.cc

Index: src/parsing/preparsed-scope-data.cc
diff --git a/src/parsing/preparsed-scope-data.cc b/src/parsing/preparsed-scope-data.cc
index 47f1deeecd77fca91981fe70b0b8b095acd71816..50a4e0b63c491090c3ca88e71d3c73dc4a75628d 100644
--- a/src/parsing/preparsed-scope-data.cc
+++ b/src/parsing/preparsed-scope-data.cc
@@ -35,5 +35,12 @@ PreParsedScopeData::ScopeScope::~ScopeScope() {
   data_->backing_store_[index_in_data_ + 1] = variable_count_;
 }
 
+void PreParsedScopeData::ScopeScope::AddVariable(VariableLocation location,
+                                                 bool maybe_assigned) {
+  data_->backing_store_.push_back(location);
+  data_->backing_store_.push_back(maybe_assigned);
+  ++variable_count_;
+}
+
 }  // namespace internal
 }  // namespace v8