Disable ReplaceEphemeralAppWithDelayedInstalledApp on Windows due to failures.

chrome/browser/apps/ephemeral_app_browsertest.cc

 // Copyright 2014 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 "chrome/browser/apps/ephemeral_app_browsertest.h"
 
 #include <vector>
 
 #include "apps/app_restore_service.h"
 #include "apps/saved_files_service.h"
@@ skipping 871 matching lines @@
 
   // Check the notification parameters.
   const InstallObserver::InstallParameters& params = installed_observer.Last();
   EXPECT_EQ(app_id, params.id);
   EXPECT_TRUE(params.is_update);
   EXPECT_TRUE(params.from_ephemeral);
 }
 
 // This is similar to ReplaceEphemeralAppWithInstalledApp, but installs will
 // be delayed until the app is idle.
+#if defined(OS_WIN)
+// Disabled on Windows due to failures. See crbug.com/401028
+#define MAYBE_ReplaceEphemeralAppWithDelayedInstalledApp \
+    DISABLED_ReplaceEphemeralAppWithDelayedInstalledApp
+#else
+#define MAYBE_ReplaceEphemeralAppWithDelayedInstalledApp \
+    ReplaceEphemeralAppWithDelayedInstalledApp
+#endif
 IN_PROC_BROWSER_TEST_F(EphemeralAppBrowserTest,
-                       ReplaceEphemeralAppWithDelayedInstalledApp) {
+                       MAYBE_ReplaceEphemeralAppWithDelayedInstalledApp) {
   InitSyncService();
-
   const Extension* app = InstallAndLaunchEphemeralApp(kNotificationsTestApp);
   ASSERT_TRUE(app);
   std::string app_id = app->id();
   app = NULL;
 
   // Initiate install.
   ReplaceEphemeralApp(app_id, kNotificationsTestApp, 0);
 
   // The delayed installation will occur when the ephemeral app is closed.
   content::WindowedNotificationObserver installed_signal(
@@ skipping 46 matching lines @@
 
   // Ensure that when the app is promoted to an installed app, the bit in the
   // creation flags is cleared.
   PromoteEphemeralApp(app);
   EXPECT_FALSE(extensions::util::IsEphemeralApp(app->id(), profile()));
 
   int creation_flags =
       ExtensionPrefs::Get(profile())->GetCreationFlags(app->id());
   EXPECT_EQ(0, creation_flags & Extension::IS_EPHEMERAL);
 }