DevTools: use semicolons after each statement.

third_party/WebKit/Source/devtools/front_end/audits2/Audits2Panel.js

 // Copyright (c) 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.
 
 /**
  * @constructor
  * @extends {WebInspector.Panel}
  */
 WebInspector.Audits2Panel = function()
 {
     WebInspector.Panel.call(this, "audits2");
     this.contentElement.classList.add("vbox");
     this.contentElement.appendChild(createTextButton(WebInspector.UIString("Start"), this._start.bind(this)));
     this.contentElement.appendChild(createTextButton(WebInspector.UIString("Stop"), this._stop.bind(this)));
-}
+};
 
 WebInspector.Audits2Panel.prototype = {
     _start: function()
     {
         WebInspector.targetManager.interceptMainConnection(this._dispatchProtocolMessage.bind(this)).then(rawConnection => {
             this._rawConnection = rawConnection;
             this._send("start");
         });
     },
 
@@ skipping 25 matching lines @@
         if (!this._backendPromise) {
             this._backendPromise = WebInspector.serviceManager.createAppService("audits2_worker", "Audits2Service", false).then(backend => {
                 this._backend = backend;
                 this._backend.on("sendProtocolMessage", result => this._rawConnection.send(result.message));
             });
         }
         return this._backendPromise.then(() => this._backend ? this._backend.send(method, params) : undefined);
     },
 
     __proto__: WebInspector.Panel.prototype
-}
+};