Change scoped_ptr to std::unique_ptr in //net/disk_cache.

net/disk_cache/memory/mem_entry_impl.h

Index: net/disk_cache/memory/mem_entry_impl.h
diff --git a/net/disk_cache/memory/mem_entry_impl.h b/net/disk_cache/memory/mem_entry_impl.h
index 11634e6ab9a883a64856f31d5e459b65707eb36f..a0f432ddb2e0316931fe2fba43576e79443f9e6e 100644
--- a/net/disk_cache/memory/mem_entry_impl.h
+++ b/net/disk_cache/memory/mem_entry_impl.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -14,7 +15,6 @@
 #include "base/containers/linked_list.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/log/net_log.h"
@@ -172,7 +172,7 @@ class NET_EXPORT_PRIVATE MemEntryImpl final
                               // entry.
   // Pointer to the parent entry, or nullptr if this entry is a parent entry.
   MemEntryImpl* parent_;
-  scoped_ptr<EntryMap> children_;
+  std::unique_ptr<EntryMap> children_;
 
   base::Time last_modified_;
   base::Time last_used_;