Introduce extended mode.

src/preparse-data.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 31 matching lines @@
 class ParserRecorder {
  public:
   ParserRecorder() { }
   virtual ~ParserRecorder() { }
 
   // Logs the scope and some details of a function literal in the source.
   virtual void LogFunction(int start,
                            int end,
                            int literals,
                            int properties,
-                           StrictModeFlag strict_mode) = 0;
+                           LanguageMode language_mode) = 0;
 
   // Logs a symbol creation of a literal or identifier.
   virtual void LogAsciiSymbol(int start, Vector<const char> literal) { }
   virtual void LogUC16Symbol(int start, Vector<const uc16> literal) { }
 
   // Logs an error message and marks the log as containing an error.
   // Further logging will be ignored, and ExtractData will return a vector
   // representing the error only.
   virtual void LogMessage(int start,
                           int end,
@@ skipping 19 matching lines @@
 
 class FunctionLoggingParserRecorder : public ParserRecorder {
  public:
   FunctionLoggingParserRecorder();
   virtual ~FunctionLoggingParserRecorder() {}
 
   virtual void LogFunction(int start,
                            int end,
                            int literals,
                            int properties,
-                           StrictModeFlag strict_mode) {
+                           LanguageMode language_mode) {
     function_store_.Add(start);
     function_store_.Add(end);
     function_store_.Add(literals);
     function_store_.Add(properties);
-    function_store_.Add(strict_mode);
+    function_store_.Add(language_mode);
   }
 
   // Logs an error message and marks the log as containing an error.
   // Further logging will be ignored, and ExtractData will return a vector
   // representing the error only.
   virtual void LogMessage(int start,
                           int end,
                           const char* message,
                           const char* argument_opt);
 
@@ skipping 114 matching lines @@
   Collector<byte> symbol_store_;
   Collector<Key> symbol_keys_;
   HashMap symbol_table_;
   int symbol_id_;
 };
 
 
 } }  // namespace v8::internal.
 
 #endif  // V8_PREPARSE_DATA_H_