[parser] Skipping inner funcs: add variable names into the data for test purposes.

src/parsing/preparsed-scope-data.h

 // Copyright 2017 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSING_PREPARSED_SCOPE_DATA_H_
 #define V8_PARSING_PREPARSED_SCOPE_DATA_H_
 
 #include <vector>
 
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 class PreParsedScopeData {
  public:
   PreParsedScopeData() {}
   ~PreParsedScopeData() {}
 
   class ScopeScope {
    public:
     ScopeScope(PreParsedScopeData* data, ScopeType scope_type,
                int start_position, int end_position);
     ~ScopeScope();
 
-    void AddVariable(VariableLocation location, bool maybe_assigned);
+    void MaybeAddVariable(Variable* var);
 
    private:
     PreParsedScopeData* data_;
     size_t index_in_data_;
     ScopeScope* previous_scope_;
 
     int inner_scope_count_;
     int variable_count_;
     DISALLOW_COPY_AND_ASSIGN(ScopeScope);
   };
 
  private:
   friend class ScopeTestHelper;
 
   // TODO(marja): Make the backing store more efficient once we know exactly
   // what data is needed.
   std::vector<int> backing_store_;
   ScopeScope* current_scope_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(PreParsedScopeData);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PREPARSED_SCOPE_DATA_H_