Convert //components/[a-e]* from scoped_ptr to std::unique_ptr

components/client_update_protocol/ecdsa.cc

Index: components/client_update_protocol/ecdsa.cc
diff --git a/components/client_update_protocol/ecdsa.cc b/components/client_update_protocol/ecdsa.cc
index dbf67e0aa8828e14a837031176cd50e260b06ccc..dc41a73b5093334a2819075e5bf75ea4d9ef103e 100644
--- a/components/client_update_protocol/ecdsa.cc
+++ b/components/client_update_protocol/ecdsa.cc
@@ -6,7 +6,7 @@
 
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
@@ -90,12 +90,12 @@ Ecdsa::Ecdsa(int key_version, const base::StringPiece& public_key)
 
 Ecdsa::~Ecdsa() {}
 
-scoped_ptr<Ecdsa> Ecdsa::Create(int key_version,
-                                const base::StringPiece& public_key) {
+std::unique_ptr<Ecdsa> Ecdsa::Create(int key_version,
+                                     const base::StringPiece& public_key) {
   DCHECK_GT(key_version, 0);
   DCHECK(!public_key.empty());
 
-  return make_scoped_ptr(new Ecdsa(key_version, public_key));
+  return base::WrapUnique(new Ecdsa(key_version, public_key));
 }
 
 void Ecdsa::SignRequest(const base::StringPiece& request_body,