Update library syntax.

sdk/lib/_internal/compiler/implementation/lib/isolate_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:isolate library.
 
-#import("dart:uri");
+import 'dart:uri';
 
 /**
  * Called by the compiler to support switching
  * between isolates when we get a callback from the DOM.
  */
 void _callInIsolate(_IsolateContext isolate, Function function) {
   isolate.eval(function);
   _globalState.topEventLoop.run();
 }
 
@@ skipping 1262 matching lines @@
       _window.clearTimeout(_handle);
     } else {
       _window.clearInterval(_handle);
     }
   }
 }
 
 Timer _timerFactory(int millis, void callback(Timer timer), bool repeating) =>
   repeating ? new _Timer.repeating(millis, callback)
             : new _Timer(millis, callback);