Don't use IDENT_SRC_URL for HttpAuth challenges. IE hasn't supported it for years, and at worst ...

net/http/http_auth_controller_unittest.cc

Index: net/http/http_auth_controller_unittest.cc
===================================================================
--- net/http/http_auth_controller_unittest.cc	(revision 120359)
+++ net/http/http_auth_controller_unittest.cc	(working copy)
@@ -71,8 +71,9 @@
       new HttpAuthController(HttpAuth::AUTH_PROXY,
                              GURL("http://example.com"),
                              &dummy_auth_cache, &auth_handler_factory));
-  ASSERT_EQ(OK,
-            controller->HandleAuthChallenge(headers, false, false, dummy_log));
+  ASSERT_EQ(OK, controller->HandleAuthChallenge(
+      headers, HttpAuthController::CHALLENGE_OPTION_SEND_SERVER_AUTH,
+      dummy_log));
   ASSERT_TRUE(controller->HaveAuthHandler());
   controller->ResetAuth(AuthCredentials());
   EXPECT_TRUE(controller->HaveAuth());
@@ -208,8 +209,9 @@
       new HttpAuthController(HttpAuth::AUTH_SERVER,
                              GURL("http://example.com"),
                              &dummy_auth_cache, &auth_handler_factory));
-  ASSERT_EQ(OK,
-            controller->HandleAuthChallenge(headers, false, false, dummy_log));
+  ASSERT_EQ(OK, controller->HandleAuthChallenge(
+      headers, HttpAuthController::CHALLENGE_OPTION_SEND_SERVER_AUTH,
+      dummy_log));
   ASSERT_TRUE(controller->HaveAuthHandler());
   controller->ResetAuth(AuthCredentials());
   EXPECT_TRUE(controller->HaveAuth());
@@ -221,8 +223,9 @@
 
   // Once a token is generated, simulate the receipt of a server response
   // indicating that the authentication attempt was rejected.
-  ASSERT_EQ(OK,
-            controller->HandleAuthChallenge(headers, false, false, dummy_log));
+  ASSERT_EQ(OK, controller->HandleAuthChallenge(
+      headers, HttpAuthController::CHALLENGE_OPTION_SEND_SERVER_AUTH,
+      dummy_log));
   ASSERT_TRUE(controller->HaveAuthHandler());
   controller->ResetAuth(AuthCredentials(ASCIIToUTF16("Hello"), string16()));
   EXPECT_TRUE(controller->HaveAuth());