Simplify DoParseProgram

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index c8c5835295eeb99c5df4600992958fcac2f50682..621d31af6c5b9d883b5198738f3c3f81375fda63 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -884,8 +884,7 @@ class Parser : public ParserBase<ParserTraits> {
                              Utf16CharacterStream* source);
 
   // Called by ParseProgram after setting up the scanner.
-  FunctionLiteral* DoParseProgram(ParseInfo* info, Scope** scope,
-                                  Scope** ad_hoc_eval_scope);
+  FunctionLiteral* DoParseProgram(ParseInfo* info);
 
   void SetCachedData(ParseInfo* info);