Set Token-Binding HTTP header

Adds a new method to SSLClientSocket to get the Token Binding from an SSL
connection where Token Binding was negotiated, and uses that to add the
Set-Token-Binding HTTP header (only when Token Binding was negotiated).

BUG=467312

Review URL: https://codereview.chromium.org/1378613004

Cr-Commit-Position: refs/heads/master@{#371347}

1 files changed, 5 insertions, 0 deletions

diff --git a/net/http/http_stream_factory_impl_unittest.cc b/net/http/http_stream_factory_impl_unittest.cc
index 32c20e3..0d89cf1 100644
--- a/net/http/http_stream_factory_impl_unittest.cc
+++ b/net/http/http_stream_factory_impl_unittest.cc
@@ -103,6 +103,11 @@ class MockWebSocketHandshakeStream : public WebSocketHandshakeStreamBase {
   void GetSSLInfo(SSLInfo* ssl_info) override {}
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override {}
   bool GetRemoteEndpoint(IPEndPoint* endpoint) override { return false; }
+  Error GetSignedEKMForTokenBinding(crypto::ECPrivateKey* key,
+                                    std::vector<uint8_t>* out) override {
+    ADD_FAILURE();
+    return ERR_NOT_IMPLEMENTED;
+  }
   void Drain(HttpNetworkSession* session) override {}
   void PopulateNetErrorDetails(NetErrorDetails* details) override { return; }
   void SetPriority(RequestPriority priority) override {}