Fix TabCaptureApiTest.FullscreenEvents flakiness

chrome/browser/extensions/api/tab_capture/tab_capture_apitest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 293 matching lines @@
   // Add extension to whitelist and make sure capture succeeds.
   EXPECT_TRUE(before_whitelist_extension.WaitUntilSatisfied());
   AddExtensionToCommandLineWhitelist();
   before_whitelist_extension.Reply("");
 
   ResultCatcher catcher;
   catcher.RestrictToBrowserContext(browser()->profile());
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
-// Flaky: http://crbug.com/675851
 // Tests that fullscreen transitions during a tab capture session dispatch
 // events to the onStatusChange listener.  The test loads a page that toggles
 // fullscreen mode, using the Fullscreen Javascript API, in response to mouse
 // clicks.
-IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, DISABLED_FullscreenEvents) {
+IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, FullscreenEvents) {
   AddExtensionToCommandLineWhitelist();
 
   ExtensionTestMessageListener capture_started("tab_capture_started", false);
   ExtensionTestMessageListener entered_fullscreen("entered_fullscreen", false);
 
   ASSERT_TRUE(RunExtensionSubtest("tab_capture", "fullscreen_test.html"))
       << message_;
   EXPECT_TRUE(capture_started.WaitUntilSatisfied());
 
   // Click on the page to trigger the Javascript that will toggle the tab into
@@ skipping 134 matching lines @@
       EXPECT_EQ(TabAlertState::TAB_CAPTURING, observer.last_alert_state());
       return;
     }
     content::RunMessageLoop();
   }
 }
 
 }  // namespace
 
 }  // namespace extensions