Install and launch kiosk app from cached crx file at start up.

chrome/browser/chromeos/app_mode/kiosk_app_manager_browsertest.cc

 // Copyright 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 "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 466 matching lines @@
 
   waiter.Wait();
   EXPECT_TRUE(waiter.loaded());
 
   manager()->GetApps(&apps);
   EXPECT_EQ(1u, apps.size());
   EXPECT_EQ("app_1", apps[0].app_id);
   EXPECT_EQ("Updated App1 Name", apps[0].name);
 }
 
-// Test is flaky. See http://crbug.com/379769 for details.
-IN_PROC_BROWSER_TEST_F(KioskAppManagerTest, DISABLED_BadApp) {
+IN_PROC_BROWSER_TEST_F(KioskAppManagerTest, BadApp) {
   AppDataLoadWaiter waiter(manager(), 2);
   manager()->AddApp("unknown_app");
   TestKioskAppManagerObserver observer(manager());
   waiter.Wait();
   EXPECT_FALSE(waiter.loaded());
 
   EXPECT_EQ("", GetAppIds());
-  EXPECT_EQ(1, observer.load_failure_count());
+  EXPECT_LE(1, observer.load_failure_count());
 }
 
 IN_PROC_BROWSER_TEST_F(KioskAppManagerTest, GoodApp) {
   // Webstore data json is in
   //   chrome/test/data/chromeos/app_mode/webstore/inlineinstall/detail/app_1
   fake_cws()->SetNoUpdate("app_1");
   AppDataLoadWaiter waiter(manager(), 2);
   manager()->AddApp("app_1");
   waiter.Wait();
   EXPECT_TRUE(waiter.loaded());
@@ skipping 207 matching lines @@
   manager()->GetConsumerKioskAutoLaunchStatus(
       base::Bind(&ConsumerKioskAutoLaunchStatusCheck,
                  status.get(),
                  runner3->QuitClosure()));
   runner3->Run();
   EXPECT_EQ(*status.get(),
             KioskAppManager::CONSUMER_KIOSK_AUTO_LAUNCH_DISABLED);
 }
 
 }  // namespace chromeos