Fix a bunch of IWYU violators that don't include scoped_ptr.h

components/cloud_devices/common/cloud_device_description.h

 // 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.
 
 #ifndef COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_
 #define COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace cloud_devices {
 
 // Provides parsing, serialization and validation Cloud Device Description or
 // Cloud Job Ticket.
@@ skipping 30 matching lines @@
 
  private:
   scoped_ptr<base::DictionaryValue> root_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudDeviceDescription);
 };
 
 }  // namespace cloud_devices
 
 #endif  // COMPONENTS_CLOUD_DEVICES_COMMON_CLOUD_DEVICE_DESCRIPTION_H_