Convert //base to use std::unique_ptr

base/supports_user_data.h

Index: base/supports_user_data.h
diff --git a/base/supports_user_data.h b/base/supports_user_data.h
index ab40c1b3c47bc143e965b083a763c88cdf2a52c5..a9f1c93204866761292625c41a5007ae4503e1f4 100644
--- a/base/supports_user_data.h
+++ b/base/supports_user_data.h
@@ -6,11 +6,11 @@
 #define BASE_SUPPORTS_USER_DATA_H_
 
 #include <map>
+#include <memory>
 
 #include "base/base_export.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 
 namespace base {
@@ -47,7 +47,7 @@ class BASE_EXPORT SupportsUserData {
   virtual ~SupportsUserData();
 
  private:
-  using DataMap = std::map<const void*, scoped_ptr<Data>>;
+  using DataMap = std::map<const void*, std::unique_ptr<Data>>;
 
   // Externally-defined data accessible by key.
   DataMap user_data_;