Disable IndexedDBDispatcherHostTest.OpenNewConnectionWhileUpgrading on Mac ASan

TBR=dmurph@chromium.org

Bug: 995716
Change-Id: Ie57626524bd894e89fcd21a0ca5ba267156b76c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761599Reviewed-by: Marina Ciocea <marinaciocea@chromium.org>
Commit-Queue: Marina Ciocea <marinaciocea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688486}

content/browser/indexed_db/indexed_db_dispatcher_host_unittest.cc

@@ -353,7 +353,14 @@ TEST_F(IndexedDBDispatcherHostTest, CloseAfterUpgrade) {
   loop3.Run();
 }
 
-TEST_F(IndexedDBDispatcherHostTest, OpenNewConnectionWhileUpgrading) {
+// TODO(https://crbug.com/995716) Test is flaky on Mac ASan.
+#if defined(OS_MACOSX) && defined(ADDRESS_SANITIZER)
+#define MAYBE_OpenNewConnectionWhileUpgrading \
+  DISABLED_OpenNewConnectionWhileUpgrading
+#else
+#define MAYBE_OpenNewConnectionWhileUpgrading OpenNewConnectionWhileUpgrading
+#endif
+TEST_F(IndexedDBDispatcherHostTest, MAYBE_OpenNewConnectionWhileUpgrading) {
   const int64_t kDBVersion = 1;
   const int64_t kTransactionId = 1;
   const int64_t kObjectStoreId = 10;