Big merge from experimental to bleeding edge.

sdk/lib/_internal/compiler/implementation/resolution/members.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.
 
 part of resolution;
 
 abstract class TreeElements {
   Element operator[](Node node);
   Selector getSelector(Send send);
   DartType getType(Node node);
@@ skipping 2341 matching lines @@
   }
 
   registerImplicitFieldGet(SourceString name) {
     Selector selector = new Selector.getter(name, null);
     world.registerDynamicGetter(name, selector);
   }
 
   visitForIn(ForIn node) {
     for (final name in const [
         const SourceString('iterator'),
-        const SourceString('next')]) {
-      registerImplicitInvocation(name, 0);
+        const SourceString('current')]) {
+      registerImplicitFieldGet(name);
     }
-    registerImplicitFieldGet(const SourceString('hasNext'));
+    registerImplicitInvocation(const SourceString('moveNext'), 0);
     visit(node.expression);
     Scope blockScope = new BlockScope(scope);
     Node declaration = node.declaredIdentifier;
     visitIn(declaration, blockScope);
     visitLoopBodyIn(node, node.body, blockScope);
 
     // TODO(lrn): Also allow a single identifier.
     if ((declaration is !Send || declaration.asSend().selector is !Identifier
         || declaration.asSend().receiver != null)
         && (declaration is !VariableDefinitions ||
@@ skipping 942 matching lines @@
     return e;
   }
 
   /// Assumed to be called by [resolveRedirectingFactory].
   Element visitReturn(Return node) {
     Node expression = node.expression;
     return finishConstructorReference(visit(expression),
                                       expression, expression);
   }
 }