Add TLS-SRP (RFC 5054) support

chrome/browser/renderer_host/resource_dispatcher_host.cc

Index: chrome/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/chrome/browser/renderer_host/resource_dispatcher_host.cc b/chrome/browser/renderer_host/resource_dispatcher_host.cc
index 5bfe4453261528d6712b8c79b005aa67919377f2..018f001d2ca2627c541d223e5fe56b0105d0729b 100644
--- a/chrome/browser/renderer_host/resource_dispatcher_host.cc
+++ b/chrome/browser/renderer_host/resource_dispatcher_host.cc
@@ -1074,6 +1074,18 @@ void ResourceDispatcherHost::OnSSLCertificateError(
   SSLManager::OnSSLCertificateError(this, request, cert_error, cert);
 }
 
+void ResourceDispatcherHost::OnTLSLoginRequired(
+    net::URLRequest* request,
+    net::AuthChallengeInfo* auth_info) {
+  DCHECK(request);
+
+  LOG(INFO) << "OnTLSLoginRequired";
+  ResourceDispatcherHostRequestInfo* info = InfoForRequest(request);
+  DCHECK(!info->login_handler()) <<
+      "OnTLSLoginRequired called with login_handler pending";
+  info->set_login_handler(CreateLoginPrompt(auth_info, request));
+}
+
 void ResourceDispatcherHost::OnGetCookies(
     net::URLRequest* request,
     bool blocked_by_policy) {
@@ -1157,7 +1169,15 @@ bool ResourceDispatcherHost::CompleteResponseStarted(net::URLRequest* request) {
         SSLManager::SerializeSecurityInfo(
             cert_id, request->ssl_info().cert_status,
             request->ssl_info().security_bits,
-            request->ssl_info().connection_status);
+            request->ssl_info().connection_status,
+            request->ssl_info().tls_username);
+  } else if (!request->ssl_info().tls_username.empty()) {
+    response->response_head.security_info =
+        SSLManager::SerializeSecurityInfo(
+            0, 0,
+            request->ssl_info().security_bits,
+            request->ssl_info().connection_status,
+            request->ssl_info().tls_username);
   } else {
     // We should not have any SSL state.
     DCHECK(!request->ssl_info().cert_status &&
@@ -1496,7 +1516,12 @@ void ResourceDispatcherHost::OnResponseCompleted(net::URLRequest* request) {
                                                             info->child_id());
     security_info = SSLManager::SerializeSecurityInfo(
         cert_id, ssl_info.cert_status, ssl_info.security_bits,
-        ssl_info.connection_status);
+        ssl_info.connection_status, ssl_info.tls_username);
+  } else if (!ssl_info.tls_username.empty()) {
+    security_info = SSLManager::SerializeSecurityInfo(
+        0, 0,
+        ssl_info.security_bits, ssl_info.connection_status,
+        ssl_info.tls_username);
   }
 
   if (info->resource_handler()->OnResponseCompleted(info->request_id(),