Address review comments from https://chromiumcodereview.appspot.com/10542073/

dart/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 1069 matching lines @@
     if (target === compiler.assertMethod && !node.isCall) {
       // We can only use assert by calling it.
       if (!inInstanceContext) {
         error(node, MessageKind.MISSING_ARGUMENTS_TO_ASSERT, [node]);
       }
       target = null;
     }
     // TODO(ngeoffray): Warn if target is null and the send is
     // unqualified.
     useElement(node, target);
-    if (target === null) handleDynamicSend(node);
+    if (target === null) registerDynamicSend(node);
     if (node.isPropertyAccess) return target;
   }
 
   visitSendSet(SendSet node) {
     Element target = resolveSend(node);
     Element setter = null;
     Element getter = null;
     if (target != null && target.kind == ElementKind.ABSTRACT_FIELD) {
       AbstractFieldElement field = target;
       setter = field.setter;
@@ skipping 15 matching lines @@
       useElement(node.selector, getter);
     } else if (node.isIndex) {
       selector = Selector.INDEX_SET;
     } else {
       selector = Selector.SETTER;
     }
     visit(node.argumentsNode);
     mapping.setSelector(node, selector);
     // TODO(ngeoffray): Warn if target is null and the send is
     // unqualified.
-    handleDynamicSend(node);
+    registerDynamicSend(node);
     return useElement(node, setter);
   }
 
-  handleDynamicSend(Send node) {
+  registerDynamicSend(Send node) {
     Identifier id = node.selector.asIdentifier();
     if (id === null) return;
     SourceString name = node.selector.asIdentifier().source;
     if (node.isIndex && !node.arguments.tail.isEmpty()) {
       name = Elements.constructOperatorName(
           const SourceString('operator'),
           const SourceString('[]='));
     } else if (node.selector.asOperator() != null) {
       switch (name.stringValue) {
         case '===':
@@ skipping 952 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";
   }
 }