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

media/base/android/provision_fetcher.h

 // Copyright 2015 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 MEDIA_BASE_PROVISION_FETCHER_H
 #define MEDIA_BASE_PROVISION_FETCHER_H
 
 #include <string>
 
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
 // The interface to retrieve provision information for MediaDrmBridge.
 class MEDIA_EXPORT ProvisionFetcher {
  public:
   // After provision information is retrieved this callback will be called
   // with the status flag (success/failure) and the provision response in
   // case of success.
@@ skipping 11 matching lines @@
   virtual void Retrieve(const std::string& default_url,
                         const std::string& request_data,
                         const ResponseCB& response_cb) = 0;
 };
 
 using CreateFetcherCB = base::Callback<scoped_ptr<ProvisionFetcher>()>;
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PROVISION_FETCHER_H