Remove most superfluous getter arguments from dart2js.

dart/lib/compiler/implementation/universe.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 Universe {
   Map<Element, CodeBuffer> generatedCode;
   Map<Element, CodeBuffer> generatedBailoutCode;
   final Set<ClassElement> instantiatedClasses;
   final Set<SourceString> instantiatedClassInstanceFields;
   final Set<FunctionElement> staticFunctionsNeedingGetter;
@@ skipping 150 matching lines @@
       => Elements.constructOperatorName(
              const SourceString('operator'), name, isUnary);
 
   static SourceString indexName()
       => operatorName(const SourceString('[]'), false);
 
   static SourceString indexSetName()
       => operatorName(const SourceString('[]='), false);
 
   int hashCode() => argumentCount + 1000 * namedArguments.length;
-  int get namedArgumentCount() => namedArguments.length;
-  int get positionalArgumentCount() => argumentCount - namedArgumentCount;
-  Type get receiverType() => null;
+  int get namedArgumentCount => namedArguments.length;
+  int get positionalArgumentCount => argumentCount - namedArgumentCount;
+  Type get receiverType => null;
 
   bool applies(Element element, Compiler compiler) {
     if (element.isSetter()) return isSetter();
     if (element.isGetter()) return isGetter() || isCall();
     if (element.isField()) return isGetter() || isSetter() || isCall();
     if (isGetter()) return true;
 
     FunctionElement function = element;
     FunctionSignature parameters = function.computeSignature(compiler);
     if (argumentCount > parameters.parameterCount) return false;
@@ skipping 170 matching lines @@
       }
     }
     return false;
   }
 
   bool applies(Element element, Compiler compiler) {
     if (!element.isMember()) return false;
 
     // A closure can be called through any typed selector:
     // class A {
-    //   get foo() => () => 42;
+    //   get foo => () => 42;
     //   bar() => foo(); // The call to 'foo' is a typed selector.
     // }
     ClassElement other = element.getEnclosingClass();
     if (other.superclass === compiler.closureClass) {
       return super.applies(element, compiler);
     }
 
     ClassElement self = receiverType.element;
     // TODO(ngeoffray): tree-shake on interfaces.
     if (self.isInterface() || other.isSubclassOf(self)) {
       return super.applies(element, compiler);
     }
 
     if (!self.isInterface() && self.isSubclassOf(other)) {
       // Resolve an invocation of [element.name] on [self]. If it
       // is found, this selector is a candidate.
       return hasElementIn(self, element) && super.applies(element, compiler);
     }
 
     return false;
   }
 
   toString() => 'Selector($kind, $name, $argumentCount, type=$receiverType)';
 }