DevTools: use semicolons after each statement.

third_party/WebKit/Source/devtools/front_end/worker_service/ServiceDispatcher.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @interface
  */
 function Service() { }
 
 Service.prototype = {
     /**
      * @return {!Promise}
      */
     dispose: function() { }
-}
+};
 
 /**
  * @constructor
  * @param {!ServicePort} port
  */
 function ServiceDispatcher(port)
 {
     this._constructors = new Map();
     this._objects = new Map();
     this._lastObjectId = 1;
@@ skipping 106 matching lines @@
 
     /**
      * @param {string} messageId
      * @param {string} error
      */
     _sendErrorResponse: function(messageId, error)
     {
         var message = { id: messageId, error: error };
         this._port.send(JSON.stringify(message));
     }
-}
+};
 
 /**
  * @constructor
  * @param {!Port|!Worker} port
  * @implements {ServicePort}
  */
 function WorkerServicePort(port)
 {
     this._port = port;
     this._port.onmessage = this._onMessage.bind(this);
@@ skipping 32 matching lines @@
         return Promise.resolve();
     },
 
     /**
      * @param {!MessageEvent} event
      */
     _onMessage: function(event)
     {
         this._messageHandler(event.data);
     }
-}
+};
 
 var dispatchers = [];
 var portInitialized = false;
 /** @type {!Map<string, function(new:Service)>}*/
 var services = new Map();
 
 /**
  * @param {string} serviceName
  * @param {function(new:Service)} constructor
  */
@@ skipping 27 matching lines @@
 
     function onNewPort(port)
     {
         var servicePort = new WorkerServicePort(port);
         var dispatcher = new ServiceDispatcher(servicePort);
         dispatchers.push(dispatcher);
         for (var name of services.keys())
             dispatcher.registerObject(name, services.get(name));
     }
 }