Teach i18nTemplate.process() to handle <link rel=import> and <template>

ui/webui/resources/js/webui_resource_test.js

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * Tests that an observation matches the expected value.
  * @param {Object} expected The expected value.
  * @param {Object} observed The actual value.
  * @param {string=} opt_message Optional message to include with a test
  *     failure.
@@ skipping 132 matching lines @@
    */
   function runTests() {
     for (var name in window) {
       if (typeof window[name] == 'function' && /^test/.test(name))
         testCases.push(name);
     }
     if (!testCases.length) {
       console.error('Failed to find test cases.');
       cleanTestRun = false;
     }
+    try {
+      if (window.setUpPage)
+        window.setUpPage();
+    } catch(err) {
+      cleanTestRun = false;
+    }
     continueTesting();
   }
 
   /**
    * Runs the next test in the queue. Reports the test results if the queue is
    * empty.
    * @param {boolean=} opt_asyncTestFailure Optional parameter indicated if the
    *     last asynchronous test failed.
    */
   function continueTesting(opt_asyncTestFailure) {
@@ skipping 38 matching lines @@
  * @param {boolean} success Indicates if the test completed successfully.
  */
 function endTests(success) {
   domAutomationController.setAutomationId(1);
   domAutomationController.send(success ? 'SUCCESS' : 'FAILURE');
 }
 
 window.onerror = function() {
   endTests(false);
 };