Add TLS-SRP (RFC 5054) support

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index 3f399a658831a9933b418e31e956e75e6a4f65b0..e7c2c8b0219b80967dd0e4d9bd90f33653bddfea 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -10,6 +10,7 @@
 #include <string>
 #include <vector>
 
+#include "net/base/auth.h"
 #include "base/debug/leak_tracker.h"
 #include "base/linked_ptr.h"
 #include "base/logging.h"
@@ -122,6 +123,8 @@ class URLRequest : public base::NonThreadSafe {
   //      requests a client certificate for authentication)
   //    - OnSSLCertificateError* (zero or one call, if the SSL server's
   //      certificate has an error)
+  //    - OnSSLAuthRequired* (zero or one call, if the SSL server requests
+  //      client login credentials for authentication)
   //    - OnReceivedRedirect* (zero or more calls, for the number of redirects)
   //    - OnAuthRequired* (zero or more calls, for the number of
   //      authentication failures)
@@ -167,6 +170,10 @@ class URLRequest : public base::NonThreadSafe {
     virtual void OnAuthRequired(URLRequest* request,
                                 net::AuthChallengeInfo* auth_info);
 
+    // Called when we need to provide TLS client login credentials.
+    virtual void OnTLSLoginRequired(URLRequest* request,
+                                    net::AuthChallengeInfo* login_request_info);
+
     // Called when we receive an SSL CertificateRequest message for client
     // authentication.  The delegate should call
     // request->ContinueWithCertificate() with the client certificate the user
@@ -526,6 +533,15 @@ class URLRequest : public base::NonThreadSafe {
   // certificate.  Pass NULL if the user doesn't have a client certificate.
   void ContinueWithCertificate(net::X509Certificate* client_cert);
 
+  // One of the following two methods should be called in response to an
+  // OnTLSLoginRequired() callback.
+  void CancelTLSLogin();
+  void SetTLSLogin(const string16& username,
+                   const string16& password);
+  AuthData* GetTLSLoginAuthData();
+
+  void ContinueWithTLSLogin();
+
   // This method can be called after some error notifications to instruct this
   // URLRequest to ignore the current error and continue with the request.  To
   // cancel the request instead, call Cancel().
@@ -652,6 +668,9 @@ class URLRequest : public base::NonThreadSafe {
   // this to determine which URLRequest to allocate sockets to first.
   net::RequestPriority priority_;
 
+  // TLS login data.
+  scoped_refptr<net::AuthData> tls_login_auth_data_;
+
   base::debug::LeakTracker<URLRequest> leak_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);