Remove built-in identifier 'negate' from VM

runtime/vm/token.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/token.h"
 
 #include "vm/object.h"
 
 namespace dart {
 
@@ skipping 19 matching lines @@
 #undef TOKEN_PRECEDENCE
 
 #define TOKEN_ATTRIBUTE(t, s, p, a) a,
   const Token::Attribute Token::attributes_[] = {
     DART_TOKEN_LIST(TOKEN_ATTRIBUTE)
     DART_KEYWORD_LIST(TOKEN_ATTRIBUTE)
   };
 #undef TOKEN_ATTRIBUTE
 
 
-bool Token::IsBinaryToken(Token::Kind token) {
+bool Token::IsBinaryOperator(Token::Kind token) {
   switch (token) {
     case Token::kADD:
     case Token::kSUB:
     case Token::kMUL:
     case Token::kDIV:
     case Token::kTRUNCDIV:
     case Token::kMOD:
     case Token::kBIT_OR:
     case Token::kBIT_XOR:
     case Token::kBIT_AND:
     case Token::kOR:
     case Token::kAND:
     case Token::kSHL:
     case Token::kSHR:
       return true;
     default:
       return false;
   }
 }
 
 
-bool Token::IsUnaryToken(Token::Kind token) {
-  return (token == Token::kNEGATE) || (token == kBIT_NOT);
+bool Token::IsPrefixOperator(Token::Kind token) {
+  return (token == kNOT) || (token == kBIT_NOT) || (token == kNEGATE);
 }
 
 }  // namespace dart