Change var blah_blah -> blahBlah.

chrome/browser/resources/chromeos/login/oobe_screen_oauth_enrollment.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.
 
 /** @const */ STEP_SIGNIN = 'signin';
 /** @const */ STEP_WORKING = 'working';
 /** @const */ STEP_ERROR = 'error';
 /** @const */ STEP_EXPLAIN = 'explain';
 /** @const */ STEP_SUCCESS = 'success';
 
@@ skipping 146 matching lines @@
     },
 
     /**
      * Changes the auto-enrollment flag and updates the UI.
      */
     setIsAutoEnrollment: function(is_auto_enrollment) {
       this.isAutoEnrollment_ = is_auto_enrollment;
       // The cancel button is not available during auto-enrollment.
       var cancel = this.isAutoEnrollment_ ? null : 'cancel';
       // During auto-enrollment the user must try again from the error screen.
-      var error_cancel = this.isAutoEnrollment_ ? 'try-again' : 'cancel';
+      var errorCancel = this.isAutoEnrollment_ ? 'try-again' : 'cancel';
       this.steps_ = [
         { name: STEP_SIGNIN,
           button: cancel },
         { name: STEP_WORKING,
           button: cancel },
         { name: STEP_ERROR,
-          button: error_cancel,
+          button: errorCancel,
           focusButton: this.isAutoEnrollment_ },
         { name: STEP_EXPLAIN,
           button: 'explain',
           focusButton: true },
         { name: STEP_SUCCESS,
           button: 'done',
           focusButton: true },
       ];
 
       var links = document.querySelectorAll('.oauth-enroll-explain-link');
@@ skipping 134 matching lines @@
       var msg = m.data;
       if (msg.method == 'completeLogin' && this.isSigninMessage_(m))
         chrome.send('oauthEnrollCompleteLogin', [msg.email, msg.password]);
     }
   };
 
   return {
     OAuthEnrollmentScreen: OAuthEnrollmentScreen
   };
 });