Unify function parameter checking in PreParser and Parser.

src/preparser.h

 // Copyright 2012 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 225 matching lines @@
     kPreParseStackOverflow,
     kPreParseSuccess
   };
 
   PreParser(Scanner* scanner,
             ParserRecorder* log,
             uintptr_t stack_limit)
       : ParserBase(scanner, stack_limit),
         log_(log),
         scope_(NULL),
-        strict_mode_violation_location_(Scanner::Location::invalid()),
-        strict_mode_violation_type_(NULL),
         parenthesized_function_(false) { }
 
   ~PreParser() {}
 
   // Pre-parse the program from the character stream; returns true on
   // success (even if parsing failed, the pre-parse data successfully
   // captured the syntax error), and false if a stack-overflow happened
   // during parsing.
   PreParseResult PreParseProgram() {
     Scope top_scope(&scope_, kTopLevelScope);
@@ skipping 390 matching lines @@
   }
 
   bool is_extended_mode() {
     return scope_->language_mode() == EXTENDED_MODE;
   }
 
   LanguageMode language_mode() { return scope_->language_mode(); }
 
   bool CheckInOrOf(bool accept_OF);
 
-  void SetStrictModeViolation(Scanner::Location,
-                              const char* type,
-                              bool* ok);
-
-  void CheckDelayedStrictModeViolation(int beg_pos, int end_pos, bool* ok);
-
-  void StrictModeIdentifierViolation(Scanner::Location,
-                                     Identifier identifier,
-                                     bool* ok);
-
   ParserRecorder* log_;
   Scope* scope_;
-  Scanner::Location strict_mode_violation_location_;
-  const char* strict_mode_violation_type_;
   bool parenthesized_function_;
 };
 
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H