Mark ExtensionManagementTest.InstallRequiresConfirm flaky on Windows.

chrome/browser/extensions/api/management/management_browsertest.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/memory/ref_counted.h"
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/autoupdate_interceptor.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 91 matching lines @@
   const Extension* extension = InstallExtension(
       test_data_dir_.AppendASCII("install/install.crx"), 1);
   ASSERT_TRUE(extension);
 
   // Cancel this install.
   ASSERT_FALSE(StartInstallButCancel(
       test_data_dir_.AppendASCII("install/install_v2.crx")));
   EXPECT_TRUE(IsExtensionAtVersion(extension, "1.0"));
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionManagementTest, InstallRequiresConfirm) {
+#if defined(OS_WIN)
+// http://crbug.com/141913
+#define MAYBE_InstallRequiresConfirm FLAKY_InstallRequiresConfirm
+#else
+#define MAYBE_InstallRequiresConfirm InstallRequiresConfirm
+#endif
+IN_PROC_BROWSER_TEST_F(ExtensionManagementTest, MAYBE_InstallRequiresConfirm) {
   // Installing the extension without an auto confirming UI should result in
   // it being disabled, since good.crx has permissions that require approval.
   ExtensionService* service = browser()->profile()->GetExtensionService();
   std::string id = "ldnnhddmnhbkjipkidpdiheffobcpfmf";
   ASSERT_FALSE(InstallExtension(test_data_dir_.AppendASCII("good.crx"), 0));
   ASSERT_TRUE(service->GetExtensionById(id, true));
   UninstallExtension(id);
 
   // And the install should succeed when the permissions are accepted.
   ASSERT_TRUE(InstallExtensionWithUIAutoConfirm(
@@ skipping 489 matching lines @@
         std::string(kExtensionId) + ";http://localhost/autoupdate/manifest"));
   }
   ASSERT_TRUE(WaitForExtensionInstall());
   ASSERT_EQ(size_before + 1, service->extensions()->size());
   extension = service->GetExtensionById(kExtensionId, false);
   ASSERT_TRUE(extension);
   EXPECT_EQ(Extension::EXTERNAL_POLICY_DOWNLOAD, extension->location());
   EXPECT_TRUE(service->IsExtensionEnabled(kExtensionId));
   EXPECT_TRUE(service->disabled_extensions()->is_empty());
 }