Lay waste to ClosureMirror.findInContext.

runtime/lib/mirrors_impl.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.
 
 // VM-specific implementation of the dart:mirrors library.
 
 import "dart:collection";
 
 final emptyList = new UnmodifiableListView([]);
 final emptyMap = new UnmodifiableMapView({});
@@ skipping 438 matching lines @@
       _function = _computeFunction(reflectee);
     }
     return _function;
   }
 
   InstanceMirror apply(List<Object> positionalArguments,
                        [Map<Symbol, Object> namedArguments]) {
     return this.invoke(#call, positionalArguments, namedArguments);
   }
 
-  InstanceMirror findInContext(Symbol name, {ifAbsent: null}) {
-    List<String> parts = _n(name).split(".").toList(growable: false);
-    if (parts.length > 3) {
-      throw new ArgumentError("Invalid symbol: ${name}");
-    }
-    List tuple = _computeFindInContext(_reflectee, parts);
-    if (tuple.length == 0) {
-      throw new UnsupportedError(
-          "ClosureMirror.findInContext not yet supported");
-    }
-    if (tuple[0]) {
-      return reflect(tuple[1]);
-    }
-    return ifAbsent == null ? null : ifAbsent();
-  }
-
   String toString() => "ClosureMirror on '${Error.safeToString(_reflectee)}'";
 
   static _computeFunction(reflectee)
       native 'ClosureMirror_function';
-
-  static _computeFindInContext(reflectee, name)
-      native 'ClosureMirror_find_in_context';
 }
 
 class _LocalClassMirror extends _LocalObjectMirror
     implements ClassMirror {
   final Type _reflectedType;
   Symbol _simpleName;
   DeclarationMirror _owner;
   final bool isAbstract;
   final bool _isGeneric;
   final bool _isMixinAlias;
@@ skipping 1114 matching lines @@
     if (typeMirror == null) {
       typeMirror = makeLocalTypeMirror(key);
       _instanitationCache[key] = typeMirror;
       if (typeMirror is ClassMirror && !typeMirror._isGeneric) {
         _declarationCache[key] = typeMirror;
       }
     }
     return typeMirror;
   }
 }