Static state cleanup: add more consts.

src/scanner-base.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 615 matching lines @@
     State state;
     Token::Value token;
   };
 
   // Range of possible first characters of a keyword.
   static const unsigned int kFirstCharRangeMin = 'b';
   static const unsigned int kFirstCharRangeMax = 'y';
   static const unsigned int kFirstCharRangeLength =
       kFirstCharRangeMax - kFirstCharRangeMin + 1;
   // State map for first keyword character range.
-  static FirstState first_states_[kFirstCharRangeLength];
+  static const FirstState first_states_[kFirstCharRangeLength];
 
   // If input equals keyword's character at position, continue matching keyword
   // from that position.
   inline bool MatchKeywordStart(unibrow::uchar input,
                                 const char* keyword,
                                 int position,
                                 Token::Value token_if_match) {
     if (input != static_cast<unibrow::uchar>(keyword[position])) {
       return false;
     }
@@ skipping 36 matching lines @@
   // keyword with the current prefix).
   const char* keyword_;
   int counter_;
   Token::Value keyword_token_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCANNER_BASE_H_