Fix errors in VM patch files.

runtime/lib/errors_patch.dart

 // Copyright (c) 2012, 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.
 
 @patch class Error {
   @patch static String _objectToString(Object object) {
     return Object._toString(object);
   }
 
   @patch static String _stringToSafeString(String string) {
@@ skipping 214 matching lines @@
                     [List existingArgumentNames = null])
       : _receiver = receiver,
         _memberName = memberName,
         _arguments = positionalArguments,
         _namedArguments = namedArguments,
         _existingArgumentNames = existingArgumentNames,
         _invocation_type = -1;
 
   // This constructor seems to be called with either strings or
   // values read from another NoSuchMethodError.
-  NoSuchMethodError._withType(Object this._receiver,
+  NoSuchMethodError._withType(this._receiver,
                               /*String|Symbol*/ memberName,
                               this._invocation_type,
-                              List this._arguments,
+                              this._arguments,
                               Map<dynamic, dynamic> namedArguments,
                               [List existingArgumentNames = null])
       : this._memberName =
             (memberName is String) ? new Symbol(memberName) : memberName,
         this._namedArguments =
             (namedArguments == null)
                 ? null
                 : new Map<Symbol, dynamic>.fromIterable(
                     namedArguments.keys,
                     key: (k) => (k is String) ? new Symbol(k) : k,
@@ skipping 125 matching lines @@
     return msg_buf.toString();
   }
 }
 
 
 class _CompileTimeError extends Error {
   final String _errorMsg;
   _CompileTimeError(this._errorMsg);
   String toString() => _errorMsg;
 }