[chromedriver] Added option to make element references W3C compliant.

chrome/test/chromedriver/test/run_py_tests.py

Index: chrome/test/chromedriver/test/run_py_tests.py
diff --git a/chrome/test/chromedriver/test/run_py_tests.py b/chrome/test/chromedriver/test/run_py_tests.py
index 3e98c31fc728acc98fdd286b5fee81e57df9095d..d3a79d86298c7327ef220e18fd4feb59c2390031 100755
--- a/chrome/test/chromedriver/test/run_py_tests.py
+++ b/chrome/test/chromedriver/test/run_py_tests.py
@@ -1351,6 +1351,14 @@ class ChromeDriverTest(ChromeDriverBaseTestWithWebServer):
      self.assertTrue(
          self._driver.ExecuteScript('return arguments[0].checked', checkbox))
 
+  def testElementReference(self):
+    self._driver.Load(self.GetHttpUrlForFile('/chromedriver/element_ref.html'))
+    element = self._driver.FindElement('id', 'link')
+    self._driver.FindElements('tag name', 'br')
+    w3c_id_length = 36
+    if (self._driver.w3c_compliant):
+      self.assertEquals(len(element._id), w3c_id_length)
+
 
 class ChromeDriverPageLoadTimeoutTest(ChromeDriverBaseTestWithWebServer):