Disable flaky ExtensionApiTest.Bookmarks on Win.

chrome/browser/extensions/api/bookmarks/bookmark_apitest.cc

 // Copyright (c) 2012 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 "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/chrome_bookmark_client.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 
-IN_PROC_BROWSER_TEST_F(ExtensionApiTest, Bookmarks) {
+// Flaky on Win only. http://crbug.com/383452
+#if defined(OS_WIN)
+#define MAYBE_Bookmarks DISABLED_Bookmarks
+#else
+#define MAYBE_Bookmarks Bookmarks
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_Bookmarks) {
   // Add test managed bookmarks to verify that the bookmarks API can read them
   // and can't modify them.
   Profile* profile = browser()->profile();
   ChromeBookmarkClient* client =
       BookmarkModelFactory::GetChromeBookmarkClientForProfile(profile);
   BookmarkModel* model = client->model();
   test::WaitForBookmarkModelToLoad(model);
 
   base::ListValue list;
   base::DictionaryValue* node = new base::DictionaryValue();
   node->SetString("name", "Managed Bookmark");
   node->SetString("url", "http://www.chromium.org");
   list.Append(node);
   node = new base::DictionaryValue();
   node->SetString("name", "Managed Folder");
   node->Set("children", new base::ListValue());
   list.Append(node);
   profile->GetPrefs()->Set(prefs::kManagedBookmarks, list);
   ASSERT_EQ(2, client->managed_node()->child_count());
 
   ASSERT_TRUE(RunExtensionTest("bookmarks")) << message_;
 }