Minor refactors to enable sending an Expect-CT header more easily.

net/quic/core/crypto/quic_crypto_proof.cc

Index: net/quic/core/crypto/quic_crypto_proof.cc
diff --git a/net/quic/core/crypto/quic_crypto_proof.cc b/net/quic/core/crypto/quic_crypto_proof.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4ee15b7ea558d3fc0f2b59705d13f77e2ec338c6
--- /dev/null
+++ b/net/quic/core/crypto/quic_crypto_proof.cc
@@ -0,0 +1,11 @@
+// Copyright 2016 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/core/crypto/quic_crypto_proof.h"
+
+namespace net {
+
+QuicCryptoProof::QuicCryptoProof() : send_expect_ct_header(false) {}
+
+}  // namespace net