Change ScopedPtrHashMap's 2nd template parameter

media/base/key_systems_support_uma.h

 // 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.
 
 #ifndef MEDIA_BASE_KEY_SYSTEMS_SUPPORT_UMA_H_
 #define MEDIA_BASE_KEY_SYSTEMS_SUPPORT_UMA_H_
 
 #include <string>
 
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 30 matching lines @@
   void ReportKeySystemSupport(const std::string& key_system, bool has_type);
 
  private:
   class Reporter;
 
   // Returns the Reporter for |key_system|. Returns NULL if |key_system| was not
   // added for UMA reporting.
   Reporter* GetReporter(const std::string& key_system);
 
   // Key system <-> Reporter map.
-  typedef base::ScopedPtrHashMap<std::string, Reporter> Reporters;
+  typedef base::ScopedPtrHashMap<std::string, scoped_ptr<Reporter>> Reporters;
   Reporters reporters_;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_KEY_SYSTEMS_SUPPORT_UMA_H_