<html>
<style>
/* Add space between div and textfield so that touch selects the text in div. */
#textDiv {
  margin-bottom: 30px;
}
</style>
<body>
<div id='dummy'>Dummy Padding Text</div>
<div id='textDiv'>Some text we can select</div>
<div id='dummy'>Dummy Padding Text</div>

<input id='textfield' type="text" value="Text in a textfield">
</body>
<script>

function focus_textfield() {
  document.getElementById('textfield').focus();
  // Focusing the textfiled selects its text. Collapse selection to a cursor.
  window.getSelection().collapseToStart();
}

function get_point_inside(element) {
  var rect = element.getBoundingClientRect();
  var point = {
    x: rect.left + 8,
    y: rect.top + 8
  };
  window.domAutomationController.send(JSON.stringify(point));
}

function get_point_inside_text() {
  get_point_inside(document.getElementById('textDiv'));
}

function get_point_inside_textfield() {
  get_point_inside(document.getElementById('textfield'));
}

</script>

</html>