Disable TabCaptureApiTest.FullscreenEvents test

TBR=OWNER
BUG=675851

Review-Url: https://codereview.chromium.org/2589103002 .
Cr-Commit-Position: refs/heads/master@{#439729}

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

@@ -311,17 +311,12 @@ IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, MAYBE_ActiveTabPermission) {
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 
-// http://crbug.com/177163
-#if defined(OS_WIN) && !defined(NDEBUG)
-#define MAYBE_FullscreenEvents DISABLED_FullscreenEvents
-#else
-#define MAYBE_FullscreenEvents FullscreenEvents
-#endif
+// 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, MAYBE_FullscreenEvents) {
+IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, DISABLED_FullscreenEvents) {
   AddExtensionToCommandLineWhitelist();
 
   ExtensionTestMessageListener capture_started("tab_capture_started", false);