Fix lint issues....

src/regexp-codegen.h

 // Copyright 2008 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 75 matching lines @@
   // kAdvanceCurrentPosition or kNoAction.
   virtual void CheckCharacterClass(
       RegExpCharacterClass* cclass,
       int success_action,
       int fail_action,
       int offset,                      // Offset from current subject position.
       Label* fail_state = NULL) = 0;   // Used by kGotoLabel on failure.
   // Check the current character for a match with a character class.  Take
   // one of the actions depending on whether there is a match.
   virtual void CheckCharacters(
-      Vector<uc16> string,
+      Vector<uc16> str,
       int fail_action,
       int offset,
       Label* state = NULL) = 0;        // Used by kGotoLabel on failure.
   // Perform an action unconditionally.
   virtual void Action(
       int action,
       Label* state = NULL) = 0;
   // Peek at the next character and find out which of the disjunct character
   // classes it is in.  Perform the corresponding actions on the corresponding
   // label.
   virtual void DisjunctCharacterPeekDispatch(
       Vector<DisjunctDecisionRow> outcomes) = 0;
  private:
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGEXP_CODEGEN_H_