import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/reftests/svg/getElementById-a-element-01.svg

@@ -0,0 +1,27 @@
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
+     onload="handleLoad(evt);">
+
+  <title>Testcase for getElementById finding &lt;a&gt; element</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=320724 -->
+
+  <script type="application/ecmascript">
+  <![CDATA[
+
+function handleLoad(event)
+{
+  document.getElementById('a').setAttribute('fill', 'lime');
+}
+
+  ]]>
+  </script>
+
+  <a id="a" fill="red">
+    <rect width="100%" height="100%" fill="inherit"/>
+  </a>
+
+</svg>