Remove unused function, it doesn't look like it was called from anywhere.

chrome/browser/resources/chromeos/chromevox/common/key_util.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 A collection of JavaScript utilities used to simplify working
  * with keyboard events.
  */
 
 
@@ skipping 324 matching lines @@
  */
 cvox.KeyUtil.getStickyKeyCode = function() {
   // TODO (rshearer): This should not be hard-coded here.
   var stickyKeyCode = 45; // Insert for Linux and Windows
   if (cvox.ChromeVox.isChromeOS || cvox.ChromeVox.isMac) {
     stickyKeyCode = 91; // GUI key (Search/Cmd) for ChromeOs and Mac
   }
   return stickyKeyCode;
 };
 
-/**
- * Get the platform specific sticky key KeySequence. Creates the KeySequence
- * object if it doesn't already exist.
- *
- * @return {cvox.KeySequence} The platform specific sticky key KeySequence.
- */
-cvox.KeyUtil.getStickyKeySequence = function() {
-  if (cvox.KeyUtil.stickyKeySequence == null) {
-    var stickyKeyCode = cvox.KeyUtil.getStickyKeyCode();
-    var stickyKeyObj = {keyCode: stickyKeyCode, stickyMode: true};
-    var stickyKeySequence = new cvox.KeySequence(stickyKeyObj);
-    stickyKeySequence.addKeyEvent(stickyKeyObj);
-    cvox.KeyUtil.stickyKeySequence = stickyKeySequence;
-  }
-  return cvox.KeyUtil.stickyKeySequence;
-};
-
 
 /**
  * Get readable string description for an internal string representation of a
  * key or a keyboard shortcut.
  *
  * @param {string} keyStr The internal string repsentation of a key or
  *     a keyboard shortcut.
  * @return {?string} Readable string representation of the input.
  */
 cvox.KeyUtil.getReadableNameForStr = function(keyStr) {
@@ skipping 128 matching lines @@
   key.doubleTap = true;
   for (var i = 0, keySeq; keySeq = cvox.KeySequence.doubleTapCache[i]; i++) {
     if (keySeq.equals(key)) {
       isSet = true;
       break;
     }
   }
   key.doubleTap = originalState;
   return isSet;
 };