Clean up media header include guards

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
+#ifndef MEDIA_BASE_ANDROID_PROVISION_FETCHER_H_
+#define MEDIA_BASE_ANDROID_PROVISION_FETCHER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
 // The interface to retrieve provision information for MediaDrmBridge.
@@ skipping 15 matching lines @@
   // thread that this method is called.
   virtual void Retrieve(const std::string& default_url,
                         const std::string& request_data,
                         const ResponseCB& response_cb) = 0;
 };
 
 using CreateFetcherCB = base::Callback<std::unique_ptr<ProvisionFetcher>()>;
 
 }  // namespace media
 
-#endif  // MEDIA_BASE_PROVISION_FETCHER_H
+#endif  // MEDIA_BASE_ANDROID_PROVISION_FETCHER_H_