Remove most superfluous getter arguments from dart2js.

dart/lib/compiler/implementation/enqueue.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 EnqueueTask extends CompilerTask {
   final Enqueuer codegen;
   final Enqueuer resolution;
 
-  String get name() => 'Enqueue';
+  String get name => 'Enqueue';
 
   EnqueueTask(Compiler compiler)
     : codegen = new Enqueuer(compiler,
                              compiler.backend.createItemCompilationContext),
       resolution = new Enqueuer(compiler,
                                 compiler.backend.createItemCompilationContext),
       super(compiler) {
     codegen.task = this;
     resolution.task = this;
   }
 }
 
 class RecompilationQueue {
   final Function itemCompilationContextCreator;
   final Queue<WorkItem> queue;
   final Set<Element> queueElements;
   int processed = 0;
 
   RecompilationQueue(ItemCompilationContext itemCompilationContextCreator())
     : this.itemCompilationContextCreator = itemCompilationContextCreator,
       queue = new Queue<WorkItem>(),
       queueElements = new Set<Element>();
 
   void add(Element element, TreeElements elements) {
     if (queueElements.contains(element)) return;
     queueElements.add(element);
     queue.add(new WorkItem(element, elements, itemCompilationContextCreator()));
   }
 
-  int get length() => queue.length;
+  int get length => queue.length;
 
   bool isEmpty() => queue.isEmpty();
 
   WorkItem next() {
     WorkItem item = queue.removeLast();
     queueElements.remove(item.element);
     processed++;
     return item;
   }
 }
@@ skipping 15 matching lines @@
            ItemCompilationContext itemCompilationContextCreator())
     : this.itemCompilationContextCreator = itemCompilationContextCreator,
       instanceMembersByName = new Map<String, Link<Element>>(),
       seenClasses = new Set<ClassElement>(),
       universe = new Universe(),
       queue = new Queue<WorkItem>(),
       resolvedElements = new Map<Element, TreeElements>(),
       recompilationCandidates =
           new RecompilationQueue(itemCompilationContextCreator);
 
-  bool get isResolutionQueue() => compiler.enqueuer.resolution === this;
+  bool get isResolutionQueue => compiler.enqueuer.resolution === this;
 
   TreeElements getCachedElements(Element element) {
     Element owner = element.getOutermostEnclosingMemberOrTopLevel();
     return compiler.enqueuer.resolution.resolvedElements[owner];
   }
 
   String lookupCode(Element element) =>
       universe.generatedCode[element].toString();
 
   void addToWorkList(Element element, [TreeElements elements]) {
@@ skipping 243 matching lines @@
   void registerIsCheck(Element element) {
     universe.isChecks.add(element);
   }
 
   void forEach(f(WorkItem work)) {
     while (!queue.isEmpty()) {
       f(queue.removeLast()); // TODO(kasperl): Why isn't this removeFirst?
     }
   }
 }