Enable tests related to the extensions web ui that were flaky.

chrome/test/data/webui/test_api.js

 // Copyright (c) 2012 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 202 matching lines @@
     },
 
     /**
      * Don't run accessibility checks after this test completes.
      */
     disableAccessibilityChecks: function() {
       this.runAccessibilityChecks = false;
     },
 
     /**
+     * Make all transitions and animations take 0ms.
+     * Any animations will still happen and webkit-animation-end should be
+     * listened to.
+     */
+    disableAnimationsAndTransitions: function() {

[Dan Beam, 2015/04/27 18:29:58]

make this static

[hcarmona, 2015/04/29 19:12:32]

Done.

+      var noAnimationStyle = document.createElement('style');
+      noAnimationStyle.textContent =
+        '* {' +
+        '  -webkit-transition-duration: 0ms !important;' +
+        '  -webkit-transition-delay: 0ms !important;' +
+        '  -webkit-animation-duration: 0ms !important;' +
+        '  -webkit-animation-delay: 0ms !important;' +
+        '}';
+      document.querySelector('head').appendChild(noAnimationStyle);
+    },
+
+    /**
      * Create a new class to handle |messageNames|, assign it to
      * |this.mockHandler|, register its messages and return it.
      * @return {Mock} Mock handler class assigned to |this.mockHandler|.
      */
     makeAndRegisterMockHandler: function(messageNames) {
       var MockClass = makeMockClass(messageNames);
       this.mockHandler = mock(MockClass);
       registerMockMessageCallbacks(this.mockHandler, MockClass);
       return this.mockHandler;
     },
@@ skipping 1572 matching lines @@
   exports.TEST = TEST;
   exports.TEST_F = TEST_F;
   exports.RUNTIME_TEST_F = TEST_F;
   exports.GEN = GEN;
   exports.GEN_INCLUDE = GEN_INCLUDE;
   exports.WhenTestDone = WhenTestDone;
 
   // Import the Mock4JS helpers.
   Mock4JS.addMockSupport(exports);
 })(this);