Rename Invocation to InvocationMirror.

dart/runtime/lib/invocation_mirror_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.
 
-class _InvocationMirror implements InvocationMirror {
+class _InvocationMirror implements Invocation {
   // Constants describing the invocation type.
   // _FIELD cannot be generated by regular invocation mirrors.
   static const int _METHOD = 0;
   static const int _GETTER = 1;
   static const int _SETTER = 2;
   static const int _FIELD = 3;
   static const int _TYPE_SHIFT = 0;
   static const int _TYPE_BITS = 2;
   static const int _TYPE_MASK = (1 << _TYPE_BITS) - 1;
 
@@ skipping 104 matching lines @@
                  String functionName,
                  List argumentsDescriptor,
                  List arguments)
       native "InvocationMirror_invoke";
 
   invokeOn(Object receiver) {
     return _invoke(receiver, _functionName, _argumentsDescriptor, _arguments);
   }
 }