Adds testing infrastructure to web_ui_browsertest to support testing HtmlDialogs.

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.
 
 /**
  * @fileoverview Library providing basic test framework functionality.
  */
 
 /**
  * Namespace for |Test|.
@@ skipping 725 matching lines @@
    * error messages. This supports sync tests and async tests by calling
    * testDone() when |isAsync| is not true, relying on async tests to call
    * testDone() when they complete.
    * @param {boolean} isAsync When false, call testDone() with the test result.
    * @param {string} testFunction The function name to call.
    * @param {Array} testArguments The arguments to call |testFunction| with.
    * @return {boolean} true always to signal successful execution (but not
    *     necessarily successful results) of this test.
    * @see errors
    * @see runTestFunction
+   * TODO(scr): Fix TEST_F to call testDone when assertions fail in async mode.
    */
   function runTest(isAsync, testFunction, testArguments) {
     // Avoid eval() if at all possible, since it will not work on pages
     // that have enabled content-security-policy.
     var testBody = this[testFunction];    // global object -- not a method.
     var testName = testFunction;
     if (typeof testBody === "undefined") {
       testBody = eval(testFunction);
       testName = testBody.toString();
     }
@@ skipping 529 matching lines @@
   window.SaveMockArguments = SaveMockArguments;
   window.DUMMY_URL = DUMMY_URL;
   window.TEST = TEST;
   window.TEST_F = TEST_F;
   window.GEN = GEN;
   window.WhenTestDone = WhenTestDone;
 
   // Import the Mock4JS helpers.
   Mock4JS.addMockSupport(window);
 })(('window' in this) ? window : this);