Use ExecuteJavascriptInWebFrameNotifyResult to return results even in error condition

chrome/test/data/webui/test_api.js

 // Copyright (c) 2011 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.
 
 // Library providing basic test framework functionality.
 
 (function() {
-  // Indicates a pass to the C++ backend.
-  function pass() {
-    chrome.send('Pass', []);
-  }
-
-  // Indicates a fail to the C++ backend.
-  function fail(message) {
-    chrome.send('Fail', [String(message)]);
-  }
-
   // Asserts.
   // Use the following assertions to verify a condition within a test.
   // If assertion fails, the C++ backend will be immediately notified.
   // If assertion passes, no notification will be sent to the C++ backend.
   function assertBool(test, expected, message) {
     if (test !== expected) {
       if (message)
         message = test + '\n' + message;
       else
         message = test;
@@ skipping 31 matching lines @@
       // that have enabled content-security-policy.
       currentTest = this[testFunction];    // global object -- not a method.
       if (typeof currentTest === "undefined") {
         currentTest = eval(testFunction);
       }
       console.log('Running test ' + currentTest.name);
       currentTest.apply(null, testArguments);
     } catch (e) {
       console.log(
           'Failed: ' + currentTest.name + '\nwith exception: ' + e.message);
-
-      fail(e.message);
-      return;
+      return [false, e.message] ;
     }
 
-
-    // All tests passed.
-    pass('');
+    return [true];
   }
 
   // Exports.
   window.assertTrue = assertTrue;
   window.assertFalse = assertFalse;
   window.assertEquals = assertEquals;
   window.assertNotReached = assertNotReached;
   window.runTest = runTest;
 })();