Convert //components/proximity_auth from scoped_ptr to std::unique_ptr

components/proximity_auth/ble/fake_wire_message.cc

Index: components/proximity_auth/ble/fake_wire_message.cc
diff --git a/components/proximity_auth/ble/fake_wire_message.cc b/components/proximity_auth/ble/fake_wire_message.cc
index 0997b3fadbdfc95503cbbe6154fe08749fe979e7..531f4d9b8ff1a36d285c8c2602e25f96a5ebdd0b 100644
--- a/components/proximity_auth/ble/fake_wire_message.cc
+++ b/components/proximity_auth/ble/fake_wire_message.cc
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "components/proximity_auth/ble/fake_wire_message.h"
+
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "components/proximity_auth/ble/fake_wire_message.h"
 #include "components/proximity_auth/wire_message.h"
 
 namespace proximity_auth {
@@ -14,11 +15,12 @@ namespace proximity_auth {
 FakeWireMessage::FakeWireMessage(const std::string& payload)
     : WireMessage(payload) {}
 
-scoped_ptr<FakeWireMessage> FakeWireMessage::Deserialize(
+std::unique_ptr<FakeWireMessage> FakeWireMessage::Deserialize(
     const std::string& serialized_message,
     bool* is_incomplete_message) {
   *is_incomplete_message = false;
-  return scoped_ptr<FakeWireMessage>(new FakeWireMessage(serialized_message));
+  return std::unique_ptr<FakeWireMessage>(
+      new FakeWireMessage(serialized_message));
 }
 
 std::string FakeWireMessage::Serialize() const {