Remove all calls to domAutomationController.setAutomationId.

These calls are no longer needed after r485461
(https://crrev.com/2478803003) which has made the
domAutomationController.setAutomationId call a no-op.

BUG=662543
This CL was uploaded by git cl split.

R=bradnelson@chromium.org

Review-Url: https://codereview.chromium.org/2978703002
Cr-Commit-Position: refs/heads/master@{#487654}

chrome/test/data/nacl/load_util.js

@@ -4,7 +4,6 @@
 
 var load_util = {
   report: function(msg) {
-    domAutomationController.setAutomationId(0);
     // The automation controller seems to choke on Objects, so turn them into
     // strings.
     domAutomationController.send(JSON.stringify(msg));

chrome/test/data/nacl/nonsfi/libc_free.html

@@ -17,7 +17,6 @@ done.  -->
 <script>
 
 function report(msg) {
-  domAutomationController.setAutomationId(0);
   // The automation controller seems to choke on Objects, so turn them into
   // strings.
   domAutomationController.send(JSON.stringify(msg));

chrome/test/data/nacl/pnacl_mime_type/pnacl_mime_type.html

@@ -15,7 +15,6 @@
 <script type="text/javascript">
 //<![CDATA[
 function report(msg) {
-  domAutomationController.setAutomationId(0);
   // The automation controller seems to choke on Objects, so turn them into
   // strings.
   domAutomationController.send(JSON.stringify(msg));

chrome/test/data/nacl/pnacl_url_loader/pnacl_url_loader.html

@@ -6,7 +6,6 @@ window.addEventListener('load', function() {
 function init() {
   var embed = document.createElement('embed');
   embed.addEventListener('message', function(message) {
-      window.domAutomationController.setAutomationId(0);
       window.domAutomationController.send(message.data);
     }, false);
   embed.addEventListener('load', function() {