Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/utility/cast_content_utility_client.h

 // Copyright 2016 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 CHROMECAST_UTILITY_CAST_CONTENT_UTILITY_CLIENT_H_
 #define CHROMECAST_UTILITY_CAST_CONTENT_UTILITY_CLIENT_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/public/utility/content_utility_client.h"
 
 namespace chromecast {
 namespace shell {
 
 class CastContentUtilityClient : public content::ContentUtilityClient {
  public:
-  static scoped_ptr<CastContentUtilityClient> Create();
+  static std::unique_ptr<CastContentUtilityClient> Create();
 
   CastContentUtilityClient() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CastContentUtilityClient);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 #endif  // CHROMECAST_UTILITY_CAST_CONTENT_UTILITY_CLIENT_H_