style(dart): Format with dartfmt v0.2.0

Format all pure Dart code with package:dart_style v0.2.0

Command:
```
find -type f -name "*.dart" | xargs dartformat -w
```

modules/angular2/src/core/compiler/query_list.dart

@@ -10,7 +10,8 @@ import './interface_query.dart';
  * In the future this class will implement an Observable interface.
  * For now it uses a plain list of observable callbacks.
  */
-class QueryList<T> extends Object with IterableMixin<T>
+class QueryList<T> extends Object
+    with IterableMixin<T>
     implements IQueryList<T> {
   List<T> _results = [];
   List _callbacks = [];

modules/angular2/src/core/testability/get_testability.dart

@@ -10,8 +10,17 @@ import 'dart:js' as js;
 // Proxies a Dart function that accepts up to 10 parameters.
 js.JsFunction _jsFunction(Function fn) {
   const Object X = __varargSentinel;
-  return new js.JsFunction.withThis((thisArg, [o1 = X, o2 = X, o3 = X, o4 = X,
-      o5 = X, o6 = X, o7 = X, o8 = X, o9 = X, o10 = X]) {
+  return new js.JsFunction.withThis((thisArg,
+      [o1 = X,
+      o2 = X,
+      o3 = X,
+      o4 = X,
+      o5 = X,
+      o6 = X,
+      o7 = X,
+      o8 = X,
+      o9 = X,
+      o10 = X]) {
     return __invokeFn(fn, o1, o2, o3, o4, o5, o6, o7, o8, o9, o10);
   });
 }
@@ -88,8 +97,8 @@ class GetTestability {
     });
     js.context['getAllAngularTestabilities'] = _jsify(() {
       List<Testability> testabilities = registry.getAllTestabilities();
-      List<PublicTestability> publicTestabilities = 
-        testabilities.map((testability) => new PublicTestability(testability));
+      List<PublicTestability> publicTestabilities = testabilities
+          .map((testability) => new PublicTestability(testability));
       return _jsify(publicTestabilities);
     });
   }

modules/angular2/src/core/zone/ng_zone.dart

@@ -94,8 +94,8 @@ class NgZone {
     } else {
       _innerZone = _createInnerZone(Zone.current,
           handleUncaughtError: (Zone self, ZoneDelegate parent, Zone zone,
-              error,
-              StackTrace trace) => _onErrorWithoutLongStackTrace(error, trace));
+                  error, StackTrace trace) =>
+              _onErrorWithoutLongStackTrace(error, trace));
     }
   }
 
@@ -231,7 +231,8 @@ class NgZone {
       _run(self, parent, zone, () => fn(arg));
 
   dynamic _runBinary(Zone self, ZoneDelegate parent, Zone zone, fn(arg1, arg2),
-      arg1, arg2) => _run(self, parent, zone, () => fn(arg1, arg2));
+          arg1, arg2) =>
+      _run(self, parent, zone, () => fn(arg1, arg2));
 
   void _scheduleMicrotask(Zone self, ZoneDelegate parent, Zone zone, fn) {
     _pendingMicrotasks++;