[Isolates] Convert more static data either to read-only or to per-isolate.

src/token.cc

 // Copyright 2006-2008 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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "token.h"
 
 namespace v8 {
 namespace internal {
 
 #define T(name, string, precedence) #name,
-const char* Token::name_[NUM_TOKENS] = {
+const char* const Token::name_[NUM_TOKENS] = {
   TOKEN_LIST(T, T, IGNORE_TOKEN)
 };
 #undef T
 
 
 #define T(name, string, precedence) string,
-const char* Token::string_[NUM_TOKENS] = {
+const char* const Token::string_[NUM_TOKENS] = {
   TOKEN_LIST(T, T, IGNORE_TOKEN)
 };
 #undef T
 
 
 #define T(name, string, precedence) precedence,
-int8_t Token::precedence_[NUM_TOKENS] = {
+const int8_t Token::precedence_[NUM_TOKENS] = {
   TOKEN_LIST(T, T, IGNORE_TOKEN)
 };
 #undef T
 
 
 #define KT(a, b, c) 'T',
 #define KK(a, b, c) 'K',
 const char Token::token_type[] = {
   TOKEN_LIST(KT, KK, IGNORE_TOKEN)
 };
 #undef KT
 #undef KK
 
 } }  // namespace v8::internal