Add TLS-SRP (RFC 5054) support

net/base/auth.cc

 // Copyright (c) 2010 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/base/auth.h"
 
 namespace net {
 
-AuthChallengeInfo::AuthChallengeInfo() : is_proxy(false) {
+const char kTLSSRPScheme[] = "tls-srp";
+
+AuthChallengeInfo::AuthChallengeInfo() :
+    is_proxy(false),
+    over_protocol(AUTH_OVER_HTTP) {
 }
 
 bool AuthChallengeInfo::operator==(const AuthChallengeInfo& that) const {
   return (this->is_proxy == that.is_proxy &&
           this->host_and_port == that.host_and_port &&
           this->scheme == that.scheme &&
           this->realm == that.realm);
 }
 
+void AuthChallengeInfo::Reset() {
+  is_proxy = false;
+  host_and_port.clear();
+  scheme.clear();
+  realm.clear();
+}
+
 AuthChallengeInfo::~AuthChallengeInfo() {
 }
 
-AuthData::AuthData() : state(AUTH_STATE_NEED_AUTH) {
+AuthData::AuthData() :
+    state(AUTH_STATE_NEED_AUTH),
+    over_protocol(AUTH_OVER_HTTP) {
 }
 
 AuthData::~AuthData() {
 }
 
 }  // namespace net