Disabling flaky OpenSingleVideoOnDrive on ChromeOS

chrome/browser/chromeos/file_manager/video_player_browsertest.cc

Index: chrome/browser/chromeos/file_manager/video_player_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/video_player_browsertest.cc b/chrome/browser/chromeos/file_manager/video_player_browsertest.cc
index e7ffefe649cb219b60ef7947494dddc35bb50702..2a85a324caf5c9be1ee2b557a1b450415222c2e1 100644
--- a/chrome/browser/chromeos/file_manager/video_player_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/video_player_browsertest.cc
@@ -54,8 +54,9 @@ IN_PROC_BROWSER_TEST_F(VideoPlayerBrowserTestInGuestMode,
   StartTest();
 }
 
-// http://crbug.com/508949
-#if defined(MEMORY_SANITIZER)
+// MEMORY_SANITIZER: http://crbug.com/508949
+// CHROME_OS: http://crbug.com/688568
+#if defined(MEMORY_SANITIZER) || defined(OS_CHROMEOS)
 #define MAYBE_OpenSingleVideoOnDrive DISABLED_OpenSingleVideoOnDrive
 #else
 #define MAYBE_OpenSingleVideoOnDrive OpenSingleVideoOnDrive