Fix IWYU violators that don't include scoped_ptr.h in CrOS build.

chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_FACTORY_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_FACTORY_CHROMEOS_H_
 
 #include <map>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_base_factory.h"
 
 class Profile;
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace content {
@@ skipping 62 matching lines @@
 
   typedef std::map<Profile*, UserCloudPolicyManagerChromeOS*> ManagerMap;
   ManagerMap managers_;
 
   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerFactoryChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_USER_CLOUD_POLICY_MANAGER_FACTORY_CHROMEOS_H_