Disable WindowManagerServiceTest.OpenWindow

TBR=sky@chromium.org

Bug: 865316
Change-Id: I4bca244d7af328583d05a3bb9190bd727ab3d7a8
Reviewed-on: https://chromium-review.googlesource.com/1143054
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576388}

ash/window_manager_unittest.cc

@@ -94,9 +94,11 @@ void OnEmbed(bool success) {
 }
 
 #if defined(ADDRESS_SANITIZER)
+// See https://crbug.com/838520.
 #define MAYBE_OpenWindow DISABLED_OpenWindow
 #else
-#define MAYBE_OpenWindow OpenWindow
+// See https://crbug.com/865316.
+#define MAYBE_OpenWindow DISABLED_OpenWindow
 #endif
 TEST_F(WindowManagerServiceTest, MAYBE_OpenWindow) {
   display::ScreenBase screen;