htmlTag was missing from the list of stringAttributes for an automationNode

chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js

Index: chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js
diff --git a/chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js b/chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js
index 8de91b4a2647228a435be030627ab54aa9e64268..e82bdaf1706f3867228fe683e79111404a4c2684 100644
--- a/chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js
+++ b/chrome/test/data/extensions/api_test/automation/tests/tabs/attributes.js
@@ -300,6 +300,14 @@ var allTests = [
 
     chrome.test.succeed();
   },
+
+  function testHtmlTagAttribute() {
+    var figure = rootNode.find({ attributes: { htmlTag: 'figure' } });
+    assertTrue(Boolean(figure));
+    assertEq(figure.htmlTag, 'figure');
+
+    chrome.test.succeed();
+  }
 ];
 
 setUpAndRunTests(allTests, 'attributes.html');