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

chrome/browser/resources/cryptotoken/usbgnubbydevice.js

 // Copyright 2014 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.
 
 /**
  * @fileoverview Implements a low-level gnubby driver based on chrome.usb.
  */
 'use strict';
 
 /**
@@ skipping 256 matching lines @@
     if (!self.readyToUse_()) return;  // No point in continuing.
 
     if (chrome.runtime.lastError) {
       console.warn(UTIL_fmt('out bulkTransfer lastError: '));
       console.warn(UTIL_fmt(chrome.runtime.lastError.message));
       window.setTimeout(function() { self.destroy(); }, 0);
       return;
     }
 
     window.setTimeout(function() { self.readOneReply_(); }, 0);
-  };
+  }
 
   var u8 = new Uint8Array(frame);
 
   // See whether this requires scrubbing before logging.
   var alternateLog = Gnubby.hasOwnProperty('redactRequestLog') &&
                      Gnubby['redactRequestLog'](u8);
   if (alternateLog) {
     console.log(UTIL_fmt('>' + alternateLog));
   } else {
     console.log(UTIL_fmt('>' + UTIL_BytesToHex(u8)));
@@ skipping 301 matching lines @@
  */
 UsbGnubbyDevice.register = function(gnubbies) {
   var USB_GNUBBY_IMPL = {
     isSharedAccess: false,
     enumerate: UsbGnubbyDevice.enumerate,
     deviceToDeviceId: UsbGnubbyDevice.deviceToDeviceId,
     open: UsbGnubbyDevice.open
   };
   gnubbies.registerNamespace(UsbGnubbyDevice.NAMESPACE, USB_GNUBBY_IMPL);
 };