Remove more warnings.

lib/compiler/implementation/resolver.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.
 
 interface TreeElements {
   Element operator[](Node node);
   Selector getSelector(Send send);
   Type getType(TypeAnnotation annotation);
 }
 
@@ skipping 421 matching lines @@
          !link.isEmpty();
          link = link.tail) {
        parameterTypes.addLast(link.head.computeType(compiler));
        // TODO(karlklose): optional parameters.
     }
     return new FunctionType(signature.returnType,
                             parameterTypes.toLink(),
                             element);
   }
 
-  void resolveMetadataAnnotation(MetadataAnnotation annotation) {
+  void resolveMetadataAnnotation(PartialMetadataAnnotation annotation) {
     compiler.withCurrentElement(annotation.annotatedElement, () => measure(() {
       assert(annotation.resolutionState == STATE_NOT_STARTED);
       annotation.resolutionState = STATE_STARTED;
 
       Node node = annotation.parseNode(compiler);
       ResolverVisitor visitor =
           new ResolverVisitor(compiler, annotation.annotatedElement);
       node.accept(visitor);
       annotation.value = compiler.constantHandler.compileNodeWithDefinitions(
           node, visitor.mapping);
@@ skipping 2153 matching lines @@
   TopScope(LibraryElement library) : super(null, library);
   Element lookup(SourceString name) {
     return library.find(name);
   }
 
   Element add(Element newElement) {
     throw "Cannot add an element in the top scope";
   }
   String toString() => '$element';
 }