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

chrome/browser/resources/cryptotoken/sha256.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.
 
 // SHA256 in javascript.
 //
 // SHA256 {
 //  SHA256();
 //  void reset();
 //  void update(byte[] data, opt_length);
@@ skipping 39 matching lines @@
   this._total = 0;
 };
 
 /** Hash the next block of 64 bytes
  * @param {Array<number>} buf A 64 byte buffer
  */
 SHA256.prototype._compress = function(buf) {
   var W = this._W;
   var k = this._k;
 
-  function _rotr(w, r) { return ((w << (32 - r)) | (w >>> r)); };
+  function _rotr(w, r) { return ((w << (32 - r)) | (w >>> r)); }
 
   // get 16 big endian words
   for (var i = 0; i < 64; i += 4) {
     var w = (buf[i] << 24) |
             (buf[i + 1] << 16) |
             (buf[i + 2] << 8) |
             (buf[i + 3]);
     W[i / 4] = w;
   }
 
@@ skipping 100 matching lines @@
 
   this._compress(this._buf);
 
   var n = 0;
   for (var i = 0; i < 8; ++i)
     for (var j = 24; j >= 0; j -= 8)
       digest[n++] = (this._chain[i] >> j) & 255;
 
   return digest;
 };