Reformat code to reduce churn

pkg/analyzer/tool/task_dependency_graph.dart

 // Copyright (c) 2015, 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.
 
 /**
  * This file contains code to output a description of tasks and their
  * dependencies in ".dot" format.  Prior to running, the user should run "pub
  * get" in the analyzer directory to ensure that a "packages" folder exists.
  *
  * The ".dot" file is output to standard out.  To convert it to a pdf, store it
@@ skipping 76 matching lines @@
       new PackageUriResolver(<JavaFile>[packagesDir]),
       new FileUriResolver()
     ];
     context.sourceFactory = new SourceFactory(uriResolvers);
     Source taskSource =
         setupSource(path.join('lib', 'src', 'task', 'dart.dart'));
     Source modelSource = setupSource(path.join('lib', 'task', 'model.dart'));
     CompilationUnitElement modelElement = getUnit(modelSource).element;
     InterfaceType analysisTaskType = modelElement.getType('AnalysisTask').type;
     DartType dynamicType = context.typeProvider.dynamicType;
-    resultDescriptorType = modelElement.getType('ResultDescriptor').type
+    resultDescriptorType = modelElement
+        .getType('ResultDescriptor')
+        .type
         .substitute4([dynamicType]);
     CompilationUnit taskUnit = getUnit(taskSource);
     CompilationUnitElement taskUnitElement = taskUnit.element;
     print('digraph G {');
     Set<String> results = new Set<String>();
     for (ClassElement cls in taskUnitElement.types) {
       if (!cls.isAbstract && cls.type.isSubtypeOf(analysisTaskType)) {
         String task = cls.name;
         // TODO(paulberry): node is deprecated.  What am I supposed to do
         // instead?
@@ skipping 38 matching lines @@
   @override
   visitIdentifier(Identifier node) {
     Element element = node.staticElement;
     if (element is PropertyAccessorElement &&
         element.isGetter &&
         element.returnType.isSubtypeOf(resultDescriptorType)) {
       callback(element);
     }
   }
 }