dartfmt updates

Author: chalin

public/docs/_examples/template-syntax/dart/lib/app_component.dart

@@ -108,8 +108,7 @@ class AppComponent implements OnInit, AfterViewInit {
 
   bool onSave([UIEvent event = null]) {
     HtmlElement el = event?.target;
-    var evtMsg =
-        event != null ? ' Event target is ${el.innerHtml}.' : '';
+    var evtMsg = event != null ? ' Event target is ${el.innerHtml}.' : '';
     alerter('Saved. $evtMsg');
     return false;
   }
@@ -128,7 +127,7 @@ class AppComponent implements OnInit, AfterViewInit {
   String getStyles(Element el) {
     final style = el.style;
     final Map styles = <String, String>{};
-    for(var i = 0; i < style.length; i++) {
+    for (var i = 0; i < style.length; i++) {
       styles[style.item(i)] = style.getPropertyValue(style.item(i));
     }
     return JSON.encode(styles);
@@ -144,8 +143,8 @@ class AppComponent implements OnInit, AfterViewInit {
     };
     // #docregion setClasses
     // compensate for DevMode (sigh)
-    if (JSON.encode(_previousClasses) ==
-        JSON.encode(classes)) return _previousClasses;
+    if (JSON.encode(_previousClasses) == JSON.encode(classes))
+      return _previousClasses;
     _previousClasses = classes;
     // #enddocregion setClasses
     return classes;
@@ -167,7 +166,7 @@ class AppComponent implements OnInit, AfterViewInit {
   bool isBold = false;
   String fontSize = 'large';
 
-  Map<String,String> setStyle() {
+  Map<String, String> setStyle() {
     return {
       'font-style': isItalic ? 'italic' : 'normal',
       'font-weight': isBold ? 'bold' : 'normal',
@@ -205,13 +204,16 @@ class AppComponent implements OnInit, AfterViewInit {
   int heroesNoTrackByChangeCount = 0;
   int heroesWithTrackByChangeCount = 0;
 
-  @ViewChildren('noTrackBy') QueryList<ElementRef> childrenNoTrackBy;
-  @ViewChildren('withTrackBy') QueryList<ElementRef> childrenWithTrackBy;
+  @ViewChildren('noTrackBy')
+  QueryList<ElementRef> childrenNoTrackBy;
+  @ViewChildren('withTrackBy')
+  QueryList<ElementRef> childrenWithTrackBy;
 
   void _detectNgForTrackByEffects() {
     /// Converts [viewChildren] to a list of [Element].
     List<Element> _extractChildren(QueryList<ElementRef> viewChildren) =>
-        viewChildren.toList()[0].nativeElement.children.toList() as List<Element>;
+        viewChildren.toList()[0].nativeElement.children.toList()
+        as List<Element>;
 
     {
       // Updates 'without TrackBy' statistics.