Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/js/binary/utils.js

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 600 matching lines @@
   if (minus) {
     neg();
     muladd(1, 1);
   }
 
   return String.fromCharCode.apply(null, resultBytes);
 };
 
 
 /**
- * Converts a signed or unsigned decimal string into two 32-bit halves, and
- * stores them in the temp variables listed above.
- * @param {string} value The decimal string to convert.
- */
-jspb.utils.splitDecimalString = function(value) {
-  jspb.utils.splitHash64(jspb.utils.decimalStringToHash64(value));
-};
-
-
-/**
  * Converts an 8-character hash string into its hexadecimal representation.
  * @param {string} hash
  * @return {string}
  */
 jspb.utils.hash64ToHexString = function(hash) {
   var temp = new Array(18);
   temp[0] = '0';
   temp[1] = 'x';
 
   for (var i = 0; i < 8; i++) {
@@ skipping 335 matching lines @@
   }
 
   if (data.constructor === String) {
     data = /** @type {string} */(data);
     return goog.crypt.base64.decodeStringToUint8Array(data);
   }
 
   goog.asserts.fail('Type not convertible to Uint8Array.');
   return /** @type {!Uint8Array} */(new Uint8Array(0));
 };