Fix the ChromeVox "sticky key" (pressing Search twice).

chrome/browser/resources/chromeos/chromevox/common/key_sequence.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 JavaScript class that represents a sequence of keys entered
  * by the user.
  */
 
 
@@ skipping 369 matching lines @@
     case 'ctrlKey':
       return (keyEvent.ctrlKey || keyEvent.keyCode == 17);
       break;
     case 'altKey':
       return (keyEvent.altKey || (keyEvent.keyCode == 18));
       break;
     case 'shiftKey':
       return (keyEvent.shiftKey || (keyEvent.keyCode == 16));
       break;
     case 'metaKey':
-      return (keyEvent.metaKey ||
-          (!cvox.ChromeVox.isChromeOS && keyEvent.keyCode == 91));
+      return (keyEvent.metaKey || (keyEvent.keyCode == 91));
       break;
     case 'searchKeyHeld':
       return ((cvox.ChromeVox.isChromeOS && keyEvent.keyCode == 91) ||
           keyEvent['searchKeyHeld']);
       break;
   }
   return false;
 };
 
 /**
@@ skipping 219 matching lines @@
       break;
     case 122:  // F11
       evt['keyCode'] = 189;  // Hyphen.
       break;
     case 123:  // F12
       evt['keyCode'] = 187;  // Equals.
       break;
   }
   return evt;
 };