Disable DoNotReloadHiddenTabWithHiddenCrashedSubframe on Mac

TBR=alexmos@chromium.org

Bug: 1135595, 1010119
Change-Id: I709eb629f6781529a523f52c6a414052804ccf4c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453429Reviewed-by: Dominique Fauteux-Chapleau <domfc@chromium.org>
Commit-Queue: Dominique Fauteux-Chapleau <domfc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814322}

content/browser/site_per_process_browsertest.cc

@@ -13841,8 +13841,16 @@ IN_PROC_BROWSER_TEST_P(SitePerProcessBrowserTestWithSadFrameTabReload,
 
 // Verify that hidden tabs with a crashed subframe are not marked for reload
 // when the crashed subframe is hidden with "display:none".
+// Flaky on Mac, see crbug.com/1135595
+#if defined(OS_MAC)
+#define MAYBE_DoNotReloadHiddenTabWithHiddenCrashedSubframe \
+  DISABLED_DoNotReloadHiddenTabWithHiddenCrashedSubframe
+#else
+#define MAYBE_DoNotReloadHiddenTabWithHiddenCrashedSubframe \
+  DoNotReloadHiddenTabWithHiddenCrashedSubframe
+#endif
 IN_PROC_BROWSER_TEST_P(SitePerProcessBrowserTestWithSadFrameTabReload,
-                       DoNotReloadHiddenTabWithHiddenCrashedSubframe) {
+                       MAYBE_DoNotReloadHiddenTabWithHiddenCrashedSubframe) {
   // Set WebContents to VISIBLE to avoid hitting the |!did_first_set_visible_|
   // case when we hide it later.
   web_contents()->UpdateWebContentsVisibility(Visibility::VISIBLE);