Support tls-server-end-point channel bindings for HTTP authentication.

net/http/http_auth_handler_negotiate.h

Index: net/http/http_auth_handler_negotiate.h
diff --git a/net/http/http_auth_handler_negotiate.h b/net/http/http_auth_handler_negotiate.h
index 1d744318946e10ffa7eb7e247380ea034fd51977..abdbe93f799a1c57f78719eda73d1e5b6313db35 100644
--- a/net/http/http_auth_handler_negotiate.h
+++ b/net/http/http_auth_handler_negotiate.h
@@ -63,6 +63,7 @@ class NET_EXPORT_PRIVATE HttpAuthHandlerNegotiate : public HttpAuthHandler {
     // HttpAuthHandlerFactory overrides
     int CreateAuthHandler(HttpAuthChallengeTokenizer* challenge,
                           HttpAuth::Target target,
+                          const SSLInfo& ssl_info,
                           const GURL& origin,
                           CreateReason reason,
                           int digest_nonce_count,
@@ -104,7 +105,8 @@ class NET_EXPORT_PRIVATE HttpAuthHandlerNegotiate : public HttpAuthHandler {
   bool AllowsExplicitCredentials() override;
 
  protected:
-  bool Init(HttpAuthChallengeTokenizer* challenge) override;
+  bool Init(HttpAuthChallengeTokenizer* challenge,
+            const SSLInfo& ssl_info) override;
 
   int GenerateAuthTokenImpl(const AuthCredentials* credentials,
                             const HttpRequestInfo* request,
@@ -142,6 +144,7 @@ class NET_EXPORT_PRIVATE HttpAuthHandlerNegotiate : public HttpAuthHandler {
   bool has_credentials_;
   AuthCredentials credentials_;
   std::string spn_;
+  std::string channel_bindings_;
 
   // Things which vary each round.
   CompletionCallback callback_;