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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AX: AccessibilityNodeObject::childrenChanged() generates too many AXLiveRegionChanged notifications"
   href="https://bugs.webkit.org/show_bug.cgi?id=147211#c12">Comment # 12</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AX: AccessibilityNodeObject::childrenChanged() generates too many AXLiveRegionChanged notifications"
   href="https://bugs.webkit.org/show_bug.cgi?id=147211">bug 147211</a>
              from <span class="vcard"><a class="email" href="mailto:n_wang&#64;apple.com" title="Nan Wang &lt;n_wang&#64;apple.com&gt;"> <span class="fn">Nan Wang</span></a>
</span></b>
        <pre>Created <span class=""><a href="attachment.cgi?id=257406&amp;action=diff" name="attach_257406" title="patch">attachment 257406</a> <a href="attachment.cgi?id=257406&amp;action=edit" title="patch">[details]</a></span>
patch

Updates:
* Stop the timer before adding object to HashSet, to avoid clearing and adding element to the HashSet happen at the same time.
* Added a delay to the timer.
* Fixed old tests to use JSTest.</pre>
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