Add TLS-SRP (RFC 5054) support

net/base/auth.cc

Index: net/base/auth.cc
diff --git a/net/base/auth.cc b/net/base/auth.cc
index 08b869cb7256a9545bfa1dd470008d12426b5955..8894eeb4f7261534725cb6ca0122a23e11b64fe2 100644
--- a/net/base/auth.cc
+++ b/net/base/auth.cc
@@ -6,7 +6,11 @@
 
 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 {
@@ -16,10 +20,19 @@ bool AuthChallengeInfo::operator==(const AuthChallengeInfo& that) const {
           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() {