Replace intptr_t with TokenDescriptor

runtime/vm/token.cc

Index: runtime/vm/token.cc
diff --git a/runtime/vm/token.cc b/runtime/vm/token.cc
index 504b6d90a81bd40c4587503f83096ba6bbc322d5..b6a34ce4bd56c4182e44515634f90be157c7f597 100644
--- a/runtime/vm/token.cc
+++ b/runtime/vm/token.cc
@@ -77,22 +77,4 @@ bool Token::IsUnaryArithmeticOperator(Token::Kind token) {
   return (token == kBIT_NOT) || (token == kNEGATE);
 }
 
-
-const char* ClassifyingTokenPositions::ToCString(intptr_t token_pos) {
-  ASSERT(token_pos < Token::kMinSourcePos);
-  COMPILE_ASSERT(ClassifyingTokenPositions::kPrivate ==
-                 (Token::kNoSourcePos - 1));
-  COMPILE_ASSERT(kLast < kPrivate);
-  switch (token_pos) {
-    case Token::kNoSourcePos: return "NoSource";
-#define DEFINE_CASE(name, value)                                               \
-    case value: return #name;
-    CLASSIFYING_TOKEN_POSITIONS(DEFINE_CASE);
-#undef DEFINE_CASE
-    default:
-      UNIMPLEMENTED();
-      return NULL;
-  }
-}
-
 }  // namespace dart