[Autofill] Disable AutofillInteractiveTest.AutofillEvents on ChromeOS.

chrome/browser/autofill/autofill_interactive_uitest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 1261 matching lines @@
   content::WebContents* web_contents = GetWebContents();
   web_contents->GetController().Reload(false);
   content::WaitForLoadStop(web_contents);
 
   // Invoke Autofill.
   TryBasicFormFill();
 }
 
 // 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.
   ASSERT_NO_FATAL_FAILURE(ui_test_utils::NavigateToURL(
       browser(), GURL(std::string(kDataURIPrefix) + kTestEventFormString)));
 
   // Invoke Autofill.
   TryBasicFormFill();
 
   // Checks that all the events were fired for the input field.
@@ skipping 422 matching lines @@
   ASSERT_NO_FATAL_FAILURE(ui_test_utils::NavigateToURL(browser(),
       GURL(std::string(kDataURIPrefix) + kTestPasswordFormString)));
   ASSERT_TRUE(content::ExecuteScript(
       GetRenderViewHost(),
       "document.getElementById('user').value = 'user';"));
   FocusFieldByName("password");
   PasteStringAndWait("foobar");
 }
 
 }  // namespace autofill