Format all dart: library files

sdk/lib/html/html_common/filtered_element_list.dart

Index: sdk/lib/html/html_common/filtered_element_list.dart
diff --git a/sdk/lib/html/html_common/filtered_element_list.dart b/sdk/lib/html/html_common/filtered_element_list.dart
index d4d40ae3cfc983a59fb7c715156a9cbd57dec627..f70d82027c59ccb26085d0370d5311e6bdbd5355 100644
--- a/sdk/lib/html/html_common/filtered_element_list.dart
+++ b/sdk/lib/html/html_common/filtered_element_list.dart
@@ -26,8 +26,9 @@ class FilteredElementList extends ListBase<Element> implements NodeListWrapper {
 
   // We can't memoize this, since it's possible that children will be messed
   // with externally to this class.
-  Iterable<Element> get _iterable =>
-      _childNodes.where((n) => n is Element).map/*<Element>*/((n) => n as Element);
+  Iterable<Element> get _iterable => _childNodes
+      .where((n) => n is Element)
+      .map/*<Element>*/((n) => n as Element);
   List<Element> get _filtered =>
       new List<Element>.from(_iterable, growable: false);