Static state cleanup: add more consts.

src/scanner-base.cc

 // 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 770 matching lines @@
   }
   literal.Complete();
 
   next_.location.end_pos = source_pos() - 1;
   return true;
 }
 
 // ----------------------------------------------------------------------------
 // Keyword Matcher
 
-KeywordMatcher::FirstState KeywordMatcher::first_states_[] = {
+const KeywordMatcher::FirstState KeywordMatcher::first_states_[] = {
   { "break",  KEYWORD_PREFIX, Token::BREAK },
   { NULL,     C,              Token::ILLEGAL },
   { NULL,     D,              Token::ILLEGAL },
   { NULL,     E,              Token::ILLEGAL },
   { NULL,     F,              Token::ILLEGAL },
   { NULL,     UNMATCHABLE,    Token::ILLEGAL },
   { NULL,     UNMATCHABLE,    Token::ILLEGAL },
   { NULL,     I,              Token::ILLEGAL },
   { NULL,     UNMATCHABLE,    Token::ILLEGAL },
   { NULL,     UNMATCHABLE,    Token::ILLEGAL },
@@ skipping 155 matching lines @@
       if (MatchKeywordStart(input, "with", 1, Token::WITH)) return;
       break;
     case UNMATCHABLE:
       break;
   }
   // On fallthrough, it's a failure.
   state_ = UNMATCHABLE;
 }
 
 } }  // namespace v8::internal