WebUI: Enable ESLint rule for missing semicolons.

chrome/browser/resources/inspect/inspect.js

 // Copyright (c) 2012 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.
 
 var MIN_VERSION_TAB_CLOSE = 25;
 var MIN_VERSION_TARGET_ID = 26;
 var MIN_VERSION_NEW_TAB = 29;
 var MIN_VERSION_TAB_ACTIVATE = 30;
 var WEBRTC_SERIAL = 'WEBRTC';
 
@@ skipping 207 matching lines @@
 
   var deviceList = $('devices-list');
   if (alreadyDisplayed(deviceList, devices))
     return;
 
   function removeObsolete(validIds, section) {
     if (validIds.indexOf(section.id) < 0)
       section.remove();
   }
 
-  var newDeviceIds = devices.map(function(d) { return d.id });
+  var newDeviceIds = devices.map(function(d) { return d.id; });
   Array.prototype.forEach.call(
       deviceList.querySelectorAll('.device'),
       removeObsolete.bind(null, newDeviceIds));
 
   $('devices-help').hidden = !!devices.length;
 
   for (var d = 0; d < devices.length; d++) {
     var device = devices[d];
 
     var deviceSection = $(device.id);
@@ skipping 36 matching lines @@
     if (alreadyDisplayed(deviceSection, device))
       continue;
 
     deviceSection.querySelector('.device-name').textContent = device.adbModel;
     deviceSection.querySelector('.device-auth').textContent =
         device.adbConnected ? '' : 'Pending authentication: please accept ' +
           'debugging session on the device.';
 
     var browserList = deviceSection.querySelector('.browsers');
     var newBrowserIds =
-        device.browsers.map(function(b) { return b.id });
+        device.browsers.map(function(b) { return b.id; });
     Array.prototype.forEach.call(
         browserList.querySelectorAll('.browser'),
         removeObsolete.bind(null, newBrowserIds));
 
     for (var b = 0; b < device.browsers.length; b++) {
       var browser = device.browsers[b];
       var majorChromeVersion = browser.adbBrowserChromeVersion;
       var pageList;
       var browserSection = $(browser.id);
       if (browserSection) {
@@ skipping 725 matching lines @@
     Array.prototype.forEach.call(
         deviceSection.querySelectorAll('.browser'), clearBrowserPorts);
   }
 
   Array.prototype.forEach.call(
       document.querySelectorAll('.device'), clearPorts);
 }
 
 document.addEventListener('DOMContentLoaded', onload);
 window.addEventListener('hashchange', onHashChange);