Disable flaky lscreenControllerInteractiveTest.MouseLockSilentAfterTargetUnlock on CrOS.

chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc

Index: chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc
diff --git a/chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc b/chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc
index 4fa98519fb0a3a607bc3ed9a3a33fc6656ab86bf..e3f2684013471cc285680bbf9da88428187eab5b 100644
--- a/chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc
+++ b/chrome/browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc
@@ -656,9 +656,8 @@ IN_PROC_BROWSER_TEST_F(FullscreenControllerInteractiveTest,
 }
 
 // TODO(erg): linux_aura bringup: http://crbug.com/163931
-// Flaky on Windows: http://crbug.com/159000
-#if defined(OS_WIN) || \
-    (defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA))
+// Flaky on Windows, Linux, CrOS: http://crbug.com/159000
+#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_CHROMEOS)
 #define MAYBE_MouseLockSilentAfterTargetUnlock \
   DISABLED_MouseLockSilentAfterTargetUnlock
 #else