Format all dart dev compiler files

pkg/dev_compiler/tool/input_sdk/lib/html/html_common/conversions_dart2js.dart

 part of html_common;
 
 /// Converts a JavaScript object with properties into a Dart Map.
 /// Not suitable for nested objects.
 Map convertNativeToDart_Dictionary(object) {
   if (object == null) return null;
   var dict = {};
   var keys = JS('JSExtendableArray', 'Object.getOwnPropertyNames(#)', object);
   for (final key in keys) {
     dict[key] = JS('var', '#[#]', object, key);
   }
   return dict;
 }
 
 /// Converts a flat Dart map into a JavaScript object with properties.
 convertDartToNative_Dictionary(Map dict, [void postCreate(dynamic)]) {
   if (dict == null) return null;
   var object = JS('var', '{}');
   if (postCreate != null) {
     postCreate(object);
   }
   dict.forEach((String key, value) {
-      JS('void', '#[#] = #', object, key, value);
-    });
+    JS('void', '#[#] = #', object, key, value);
+  });
   return object;
 }
 
-
 /**
  * Ensures that the input is a JavaScript Array.
  *
  * Creates a new JavaScript array if necessary, otherwise returns the original.
  */
 List convertDartToNative_StringArray(List<String> input) {
   // TODO(sra).  Implement this.
   return input;
 }
 
 DateTime convertNativeToDart_DateTime(date) {
   var millisSinceEpoch = JS('int', '#.getTime()', date);
   return new DateTime.fromMillisecondsSinceEpoch(millisSinceEpoch, isUtc: true);
 }
 
 convertDartToNative_DateTime(DateTime date) {
   return JS('', 'new Date(#)', date.millisecondsSinceEpoch);
 }
 
 convertDartToNative_PrepareForStructuredClone(value) =>
-    new _StructuredCloneDart2Js().convertDartToNative_PrepareForStructuredClone(value);
+    new _StructuredCloneDart2Js()
+        .convertDartToNative_PrepareForStructuredClone(value);
 
 convertNativeToDart_AcceptStructuredClone(object, {mustCopy: false}) =>
-    new _AcceptStructuredCloneDart2Js().convertNativeToDart_AcceptStructuredClone(object, mustCopy: mustCopy);
+    new _AcceptStructuredCloneDart2Js()
+        .convertNativeToDart_AcceptStructuredClone(object, mustCopy: mustCopy);
 
 class _StructuredCloneDart2Js extends _StructuredClone {
   newJsMap() => JS('var', '{}');
   putIntoMap(map, key, value) => JS('void', '#[#] = #', map, key, value);
   newJsList(length) => JS('JSExtendableArray', 'new Array(#)', length);
   cloneNotRequired(e) => (e is NativeByteBuffer || e is NativeTypedData);
 }
 
 class _AcceptStructuredCloneDart2Js extends _AcceptStructuredClone {
-
   List newJsList(length) => JS('JSExtendableArray', 'new Array(#)', length);
   List newDartList(length) => newJsList(length);
   bool identicalInJs(a, b) => identical(a, b);
 
   void forEachJsField(object, action(key, value)) {
-      for (final key in JS('JSExtendableArray', 'Object.keys(#)', object)) {
-        action(key, JS('var', '#[#]', object, key));
-      }
+    for (final key in JS('JSExtendableArray', 'Object.keys(#)', object)) {
+      action(key, JS('var', '#[#]', object, key));
+    }
   }
 }
 
 bool isJavaScriptDate(value) => JS('bool', '# instanceof Date', value);
 bool isJavaScriptRegExp(value) => JS('bool', '# instanceof RegExp', value);
 bool isJavaScriptArray(value) => JS('bool', '# instanceof Array', value);
 bool isJavaScriptSimpleObject(value) {
   var proto = JS('', 'Object.getPrototypeOf(#)', value);
   return JS('bool', '# === Object.prototype', proto) ||
       JS('bool', '# === null', proto);
 }
+
 bool isImmutableJavaScriptArray(value) =>
     JS('bool', r'!!(#.immutable$list)', value);
 bool isJavaScriptPromise(value) =>
     JS('bool', r'typeof Promise != "undefined" && # instanceof Promise', value);
 
 Future convertNativePromiseToDartFuture(promise) {
   var completer = new Completer();
   var then = convertDartClosureToJS((result) => completer.complete(result), 1);
-  var error = convertDartClosureToJS((result) => completer.completeError(result), 1);
+  var error =
+      convertDartClosureToJS((result) => completer.completeError(result), 1);
   var newPromise = JS('', '#.then(#)["catch"](#)', promise, then, error);
   return completer.future;
 }