WebUI: Fix violations of no-extra-semi lint rule.

chrome/browser/resources/chromeos/login/oobe_screen_oauth_enrollment.js

 // Copyright 2015 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.
 
 login.createScreen('OAuthEnrollmentScreen', 'oauth-enrollment', function() {
   /* Code which is embedded inside of the webview. See below for details.
   /** @const */ var INJECTED_WEBVIEW_SCRIPT = String.raw`
                       (function() {
                          // <include src="../keyboard/keyboard_utils.js">
                          keyboard.initializeKeyboardFlow(true);
@@ skipping 177 matching lines @@
           (function() {
             this.showError(
                 loadTimeData.getString('fatalEnrollmentError'),
                 false);
           }).bind(this);
 
       $('oauth-enroll-error-card').addEventListener('buttonclick',
                                                     this.doRetry_.bind(this));
       function doneCallback() {
         chrome.send('oauthEnrollClose', ['done']);
-      };
+      }
 
       $('oauth-enroll-attribute-prompt-error-card').addEventListener(
           'buttonclick', doneCallback);
       $('oauth-enroll-success-card').addEventListener(
           'buttonclick', doneCallback);
       $('oauth-enroll-abe-success-card').addEventListener(
           'buttonclick', doneCallback);
       $('oauth-enroll-active-directory-join-error-card').addEventListener(
           'buttonclick', function() {
             this.showStep(STEP_AD_JOIN);
@@ skipping 233 matching lines @@
       this.navigation_.closeVisible =
           (this.currentStep_ == STEP_SIGNIN ||
            this.currentStep_ == STEP_ERROR ||
            this.currentStep_ == STEP_ACTIVE_DIRECTORY_JOIN_ERROR ||
            this.currentStep_ == STEP_AD_JOIN) &&
           !this.navigation_.refreshVisible;
       $('login-header-bar').updateUI_();
     }
   };
 });