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

chrome/browser/resources/cryptotoken/hidgnubbydevice.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.hid.
  */
 'use strict';
 
 /**
@@ skipping 385 matching lines @@
     if (chrome.runtime.lastError) {
       console.log(UTIL_fmt('send got lastError:'));
       console.log(UTIL_fmt(chrome.runtime.lastError.message));
       window.setTimeout(function() { self.destroy(); }, 0);
       return;
     }
     self.txqueue.shift();  // drop sent frame from queue.
     if (self.txqueue.length != 0) {
       window.setTimeout(function() { self.writePump_(); }, 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 128 matching lines @@
  */
 HidGnubbyDevice.register = function(gnubbies) {
   var HID_GNUBBY_IMPL = {
     isSharedAccess: true,
     enumerate: HidGnubbyDevice.enumerate,
     deviceToDeviceId: HidGnubbyDevice.deviceToDeviceId,
     open: HidGnubbyDevice.open
   };
   gnubbies.registerNamespace(HidGnubbyDevice.NAMESPACE, HID_GNUBBY_IMPL);
 };