More cleanup related to malformed and malbounded types.

runtime/vm/parser.h

Index: runtime/vm/parser.h
===================================================================
--- runtime/vm/parser.h	(revision 26669)
+++ runtime/vm/parser.h	(working copy)
@@ -151,7 +151,7 @@
                            const char* message_header,
                            const char* format, ...) PRINTF_ATTRIBUTE(4, 5);
 
-  // Build an error object containing a formatted error or warning message.
+  // Build an error object containing a formatted error message.
   // A null script means no source and a negative token_pos means no position.
   static RawError* FormatError(const Script& script,
                                intptr_t token_pos,
@@ -302,16 +302,13 @@
                                   const char* format,
                                   va_list args);
 
-  // Reports error/warning msg at location of current token in current script.
+  // Reports error msg at location of current token in current script.
   void ErrorMsg(const char* msg, ...) PRINTF_ATTRIBUTE(2, 3);
-  void Warning(const char* msg, ...)  PRINTF_ATTRIBUTE(2, 3);
   void Unimplemented(const char* msg);
 
   // Reports error message at given location in current script.
   void ErrorMsg(intptr_t token_pos, const char* msg, ...) const
       PRINTF_ATTRIBUTE(3, 4);
-  void Warning(intptr_t token_pos, const char* msg, ...)
-      PRINTF_ATTRIBUTE(3, 4);
 
   // Reports an already formatted error message.
   static void ErrorMsg(const Error& error);