Disable DumpAccessibilityEventsTest.AccessibilityEventsAriaComboBoxFocus.

TBR=dmazzoni@chromium.org

Bug: 791268
Change-Id: I81d58c4b588969b9f7a119aa424abe85f2f6a5bd
Reviewed-on: https://chromium-review.googlesource.com/804919Reviewed-by: calamity <calamity@chromium.org>
Commit-Queue: calamity <calamity@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521251}

content/browser/accessibility/dump_accessibility_events_browsertest.cc

@@ -177,8 +177,9 @@ IN_PROC_BROWSER_TEST_F(DumpAccessibilityEventsTest,
   RunEventTest(FILE_PATH_LITERAL("aria-treeitem-focus.html"));
 }
 
+// http:/crbug.com/791268
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityEventsTest,
-                       AccessibilityEventsAriaComboBoxFocus) {
+                       DISABLED_AccessibilityEventsAriaComboBoxFocus) {
   RunEventTest(FILE_PATH_LITERAL("aria-combo-box-focus.html"));
 }