[Extensions] Disable the Service Worker version of the test.

Bug: 1112903
Change-Id: I6a7ad36ee18b5e44d90f645ccd1cf645bd88b32e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346951Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: David Bertoni <dbertoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796628}

chrome/browser/extensions/api/bookmarks/bookmark_apitest.cc

@@ -45,17 +45,14 @@ class BookmarksApiTest : public ExtensionApiTest,
 INSTANTIATE_TEST_SUITE_P(EventPage,
                          BookmarksApiTest,
                          ::testing::Values(ContextType::kEventPage));
+// Flaky on all platforms but Mac.  https://crbug.com/1112903
+#if defined(OS_MAC)
 INSTANTIATE_TEST_SUITE_P(ServiceWorker,
                          BookmarksApiTest,
                          ::testing::Values(ContextType::kServiceWorker));
-
-// Flaky on all platforms but Mac.  https://crbug.com/1112903
-#if defined(OS_MAC)
-#define MAYBE_Bookmarks Bookmarks
-#else
-#define MAYBE_Bookmarks DISABLED_Bookmarks
 #endif
-IN_PROC_BROWSER_TEST_P(BookmarksApiTest, MAYBE_Bookmarks) {
+
+IN_PROC_BROWSER_TEST_P(BookmarksApiTest, Bookmarks) {
   // Add test managed bookmarks to verify that the bookmarks API can read them
   // and can't modify them.
   Profile* profile = browser()->profile();