Sheriff: Disable DumpAccessibilityEventsTest.AccessibilityEventsLiveRegionAdd on Win bots

Bug: 1123394
Change-Id: I34d3e7ce48d4f8db5c274b7300c1dbf5e992c3d2
Tbr: aleventhal@chromium.org, dmazzoni@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2383395Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802986}

content/browser/accessibility/dump_accessibility_events_browsertest.cc

@@ -659,8 +659,15 @@ IN_PROC_BROWSER_TEST_P(DumpAccessibilityEventsTest,
   RunEventTest(FILE_PATH_LITERAL("listbox-next.html"));
 }
 
+// TODO(https://crbug.com/1123394): This is failing on Windows.
+#if defined(OS_WIN)
+#define MAYBE_AccessibilityEventsLiveRegionAdd \
+  DISABLED_AccessibilityEventsLiveRegionAdd
+#else
+#define MAYBE_AccessibilityEventsLiveRegionAdd AccessibilityEventsLiveRegionAdd
+#endif
 IN_PROC_BROWSER_TEST_P(DumpAccessibilityEventsTest,
-                       AccessibilityEventsLiveRegionAdd) {
+                       MAYBE_AccessibilityEventsLiveRegionAdd) {
   RunEventTest(FILE_PATH_LITERAL("live-region-add.html"));
 }