Make HttpAuthController not reference counted.

net/http/http_proxy_client_socket.cc

Index: net/http/http_proxy_client_socket.cc
diff --git a/net/http/http_proxy_client_socket.cc b/net/http/http_proxy_client_socket.cc
index ec4b753984774935a0b50eb86615aea37de52073..6ed04c1f259e2a0c98bec3f4d532e4dbd18fb28b 100644
--- a/net/http/http_proxy_client_socket.cc
+++ b/net/http/http_proxy_client_socket.cc
@@ -50,7 +50,7 @@ void BuildTunnelRequest(const HttpRequestInfo* request_info,
 
 HttpProxyClientSocket::HttpProxyClientSocket(
     ClientSocketHandle* transport_socket, const GURL& request_url,
-    const HostPortPair& endpoint, const scoped_refptr<HttpAuthController>& auth,
+    const HostPortPair& endpoint, HttpAuthController* auth,
     bool tunnel)
     : ALLOW_THIS_IN_INITIALIZER_LIST(
           io_callback_(this, &HttpProxyClientSocket::OnIOComplete)),
@@ -91,10 +91,15 @@ int HttpProxyClientSocket::Connect(CompletionCallback* callback) {
   return rv;
 }
 
-int HttpProxyClientSocket::RestartWithAuth(CompletionCallback* callback) {
+int HttpProxyClientSocket::RestartWithAuth(const std::wstring& username,
+                                           const std::wstring& password,
+                                           CompletionCallback* callback) {
   DCHECK_EQ(STATE_NONE, next_state_);
   DCHECK(!user_callback_);
 
+  auth_->SetCredentials(username, password);
+  auth_->PrepareForAuthRestart();
+
   int rv = PrepareForAuthRestart();
   if (rv != OK)
     return rv;