Disable some flaky WebUI tests on Win

chrome/browser/ui/webui/options/autofill_options_browsertest.js

Index: chrome/browser/ui/webui/options/autofill_options_browsertest.js
diff --git a/chrome/browser/ui/webui/options/autofill_options_browsertest.js b/chrome/browser/ui/webui/options/autofill_options_browsertest.js
index 29a778f00023ad500a962b4740221cbf4470641f..79109af940748222834a95b2f7307a7ea52b112f 100644
--- a/chrome/browser/ui/webui/options/autofill_options_browsertest.js
+++ b/chrome/browser/ui/webui/options/autofill_options_browsertest.js
@@ -41,8 +41,16 @@ AutofillOptionsWebUITest.prototype = {
   browsePreload: 'chrome://settings-frame/autofill',
 };
 
+// TODO(crbug.com/617066) Flakes on Win.
+GEN('#if defined(OS_WIN)');
+GEN('#define MAYBE_testOpenAutofillOptions ' +
+    'DISABLED_testOpenAutofillOptions');
+GEN('#else');
+GEN('#define MAYBE_testOpenAutofillOptions testOpenAutofillOptions');
+GEN('#endif');
 // Test opening the autofill options has correct location.
-TEST_F('AutofillOptionsWebUITest', 'testOpenAutofillOptions', function() {
+TEST_F('AutofillOptionsWebUITest', 'MAYBE_testOpenAutofillOptions',
+    function() {
   assertEquals(this.browsePreload, document.location.href);
 });