Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/base/cast_sys_info_util.h

Index: chromecast/base/cast_sys_info_util.h
diff --git a/chromecast/base/cast_sys_info_util.h b/chromecast/base/cast_sys_info_util.h
index 05ca069d655685ee0d27e2675486317ba6ae7dc5..36979377fbe57d9b335691de07cdd0cdf2963e3b 100644
--- a/chromecast/base/cast_sys_info_util.h
+++ b/chromecast/base/cast_sys_info_util.h
@@ -5,16 +5,16 @@
 #ifndef CHROMECAST_BASE_CAST_SYS_INFO_UTIL_H_
 #define CHROMECAST_BASE_CAST_SYS_INFO_UTIL_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
-#include "base/memory/scoped_ptr.h"
 
 namespace chromecast {
 
 class CastSysInfo;
 
-scoped_ptr<CastSysInfo> CreateSysInfo();
+std::unique_ptr<CastSysInfo> CreateSysInfo();
 
 }  // namespace chromecast