Cleanup: Migrate references from scoped_ptr to std::unique_ptr.

net/quic/crypto/p256_key_exchange_test.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/p256_key_exchange.h"
 
+#include <memory>
+
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using std::string;
 
 namespace net {
 namespace test {
 
 // SharedKey just tests that the basic key exchange identity holds: that both
 // parties end up with the same key.
@@ skipping 17 matching lines @@
 
     std::string alice_shared, bob_shared;
     ASSERT_TRUE(alice->CalculateSharedKey(bob_public, &alice_shared));
     ASSERT_TRUE(bob->CalculateSharedKey(alice_public, &bob_shared));
     ASSERT_EQ(alice_shared, bob_shared);
   }
 }
 
 }  // namespace test
 }  // namespace net