[net/http auth] Make HttpAuthHandler challenge handling asynchronous.

net/http/http_auth_handler_negotiate_unittest.cc

Index: net/http/http_auth_handler_negotiate_unittest.cc
diff --git a/net/http/http_auth_handler_negotiate_unittest.cc b/net/http/http_auth_handler_negotiate_unittest.cc
index c456e02ea905329b68f13536c22f8e07a9a98406..51e94bc7c5875b292cfa77352aebb1eeaad510d1 100644
--- a/net/http/http_auth_handler_negotiate_unittest.cc
+++ b/net/http/http_auth_handler_negotiate_unittest.cc
@@ -13,6 +13,7 @@
 #include "net/dns/mock_host_resolver.h"
 #include "net/http/http_auth_challenge_tokenizer.h"
 #include "net/http/http_request_info.h"
+#include "net/http/http_response_info.h"
 #include "net/http/mock_allow_url_security_manager.h"
 #if defined(OS_ANDROID)
 #include "net/android/dummy_spnego_authenticator.h"
@@ -191,10 +192,11 @@ class HttpAuthHandlerNegotiateTest : public PlatformTest {
 
 #endif  // defined(OS_POSIX)
 
-  int CreateHandler(bool disable_cname_lookup, bool use_port,
-                     bool synchronous_resolve_mode,
-                     const std::string& url_string,
-                     scoped_ptr<HttpAuthHandlerNegotiate>* handler) {
+  int CreateHandler(bool disable_cname_lookup,
+                    bool use_port,
+                    bool synchronous_resolve_mode,
+                    const std::string& url_string,
+                    scoped_ptr<HttpAuthHandlerNegotiate>* handler) {
     factory_->set_disable_cname_lookup(disable_cname_lookup);
     factory_->set_use_port(use_port);
     resolver_->set_synchronous_mode(synchronous_resolve_mode);
@@ -212,8 +214,12 @@ class HttpAuthHandlerNegotiateTest : public PlatformTest {
         factory_->CreateAuthHandlerForScheme(tokenizer.NormalizedScheme());
     if (!generic_handler)
       return ERR_UNSUPPORTED_AUTH_SCHEME;
+    HttpResponseInfo fake_response_info;
+    TestCompletionCallback callback;
     int rv = generic_handler->HandleInitialChallenge(
-        tokenizer, HttpAuth::AUTH_SERVER, gurl, BoundNetLog());
+        tokenizer, fake_response_info, HttpAuth::AUTH_SERVER, gurl,
+        BoundNetLog(), callback.callback());
+    rv = callback.GetResult(rv);
     if (rv != OK)
       return rv;
     HttpAuthHandlerNegotiate* negotiate_handler =