[Autofill] Disable AutofillInteractiveTest.AutofillEvents on ChromeOS.

chrome/browser/autofill/autofill_interactive_uitest.cc

Index: chrome/browser/autofill/autofill_interactive_uitest.cc
diff --git a/chrome/browser/autofill/autofill_interactive_uitest.cc b/chrome/browser/autofill/autofill_interactive_uitest.cc
index c6b4652e857152ebcf570919cf360423b3236953..506d77c6d949d60ed5ab5f0a12b0bf8ad556a772 100644
--- a/chrome/browser/autofill/autofill_interactive_uitest.cc
+++ b/chrome/browser/autofill/autofill_interactive_uitest.cc
@@ -1279,7 +1279,13 @@ IN_PROC_BROWSER_TEST_F(AutofillInteractiveTest, AutofillAfterReload) {
 
 // Test that filling a form sends all the expected events to the different
 // fields being filled.
-IN_PROC_BROWSER_TEST_F(AutofillInteractiveTest, AutofillEvents) {
+// Flakily fails on ChromeOS (crbug.com/646576).
+#if defined(OS_CHROMEOS)
+#define MAYBE_AutofillEvents DISABLED_AutofillEvents
+#else
+#define MAYBE_AutofillEvents AutofillEvents
+#endif
+IN_PROC_BROWSER_TEST_F(AutofillInteractiveTest, MAYBE_AutofillEvents) {
   CreateTestProfile();
 
   // Load the test page.