Format all dart dev compiler files

pkg/dev_compiler/tool/input_sdk/patch/async_patch.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Patch file for the dart:async library.
 
-import 'dart:_js_helper' show
-    patch,
-    Primitives;
-import 'dart:_isolate_helper' show
-    IsolateNatives,
-    TimerImpl,
-    global,
-    leaveJsAsync,
-    enterJsAsync,
-    isWorker;
+import 'dart:_js_helper' show patch, Primitives;
+import 'dart:_isolate_helper'
+    show
+        IsolateNatives,
+        TimerImpl,
+        global,
+        leaveJsAsync,
+        enterJsAsync,
+        isWorker;
 
 import 'dart:_foreign_helper' show JS;
 
 typedef void _Callback();
 typedef void _TakeCallback(_Callback callback);
 
 @patch
 class _AsyncRun {
   @patch
   static void _scheduleImmediate(void callback()) {
@@ skipping 15 matching lines @@
       // Use mutationObservers.
       var div = JS('', '#.document.createElement("div")', global);
       var span = JS('', '#.document.createElement("span")', global);
       _Callback storedCallback;
 
       internalCallback(_) {
         leaveJsAsync();
         var f = storedCallback;
         storedCallback = null;
         f();
-      };
+      }
 
-      var observer = JS('', 'new #.MutationObserver(#)', global, internalCallback);
-      JS('', '#.observe(#, { childList: true })',
-          observer, div);
+      ;
+
+      var observer =
+          JS('', 'new #.MutationObserver(#)', global, internalCallback);
+      JS('', '#.observe(#, { childList: true })', observer, div);
 
       return (void callback()) {
         assert(storedCallback == null);
         enterJsAsync();
         storedCallback = callback;
         // Because of a broken shadow-dom polyfill we have to change the
         // children instead a cheap property.
         // See https://github.com/Polymer/ShadowDOM/issues/468
-        JS('', '#.firstChild ? #.removeChild(#): #.appendChild(#)',
-            div, div, span, div, span);
+        JS('', '#.firstChild ? #.removeChild(#): #.appendChild(#)', div, div,
+            span, div, span);
       };
     } else if (JS('', '#.setImmediate', global) != null) {
       return _scheduleImmediateWithSetImmediate;
     }
     // TODO(20055): We should use DOM promises when available.
     return _scheduleImmediateWithTimer;
   }
 
   static void _scheduleImmediateJsOverride(void callback()) {
     internalCallback() {
       leaveJsAsync();
       callback();
-    };
+    }
+
+    ;
     enterJsAsync();
     JS('void', '#.scheduleImmediate(#)', global, internalCallback);
   }
 
   static void _scheduleImmediateWithSetImmediate(void callback()) {
     internalCallback() {
       leaveJsAsync();
       callback();
-    };
+    }
+
+    ;
     enterJsAsync();
     JS('void', '#.setImmediate(#)', global, internalCallback);
   }
 
   static void _scheduleImmediateWithTimer(void callback()) {
     Timer._createTimer(Duration.ZERO, callback);
   }
 }
 
 @patch
 class DeferredLibrary {
   @patch
   Future<Null> load() {
     throw 'DeferredLibrary not supported. '
-          'please use the `import "lib.dart" deferred as lib` syntax.';
+        'please use the `import "lib.dart" deferred as lib` syntax.';
   }
 }
 
 @patch
 class Timer {
   @patch
   static Timer _createTimer(Duration duration, void callback()) {
     int milliseconds = duration.inMilliseconds;
     if (milliseconds < 0) milliseconds = 0;
     return new TimerImpl(milliseconds, callback);
   }
 
   @patch
-  static Timer _createPeriodicTimer(Duration duration,
-                             void callback(Timer timer)) {
+  static Timer _createPeriodicTimer(
+      Duration duration, void callback(Timer timer)) {
     int milliseconds = duration.inMilliseconds;
     if (milliseconds < 0) milliseconds = 0;
     return new TimerImpl.periodic(milliseconds, callback);
   }
 }
 
 @patch
 void _rethrow(Object error, StackTrace stackTrace) {
   // TODO(rnystrom): Not needed by dev_compiler.
   // error = wrapException(error);
   JS("void", "#.stack = #", error, stackTrace.toString());
   JS("void", "throw #", error);
 }