Format all dart dev compiler files

pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart b/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart
index f33d64afb9963a39e61089795580a1ed999f4f05..c7abc41cb00fb3c9dbd34e5b2b5763e57b9bc0b7 100644
--- a/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart
+++ b/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/lists.dart
@@ -5,16 +5,12 @@
 part of html_common;
 
 class Lists {
-
   /**
    * Returns the index in the array [a] of the given [element], starting
    * the search at index [startIndex] to [endIndex] (exclusive).
    * Returns -1 if [element] is not found.
    */
-  static int indexOf(List a,
-                     Object element,
-                     int startIndex,
-                     int endIndex) {
+  static int indexOf(List a, Object element, int startIndex, int endIndex) {
     if (startIndex >= a.length) {
       return -1;
     }