[net/http auth] Use strings to identify authentication schemes.

net/url_request/url_request_context_builder_unittest.cc

Index: net/url_request/url_request_context_builder_unittest.cc
diff --git a/net/url_request/url_request_context_builder_unittest.cc b/net/url_request/url_request_context_builder_unittest.cc
index e37b51e6b364cebebe99f3d1f27841644517446c..43f02756da7f94e04a2b96977b41715111189c94 100644
--- a/net/url_request/url_request_context_builder_unittest.cc
+++ b/net/url_request/url_request_context_builder_unittest.cc
@@ -97,7 +97,7 @@ TEST_F(URLRequestContextBuilderTest, ExtraHttpAuthHandlerFactory) {
   MockHttpAuthHandlerFactory* mock_factory_basic =
       new MockHttpAuthHandlerFactory(kBasicReturnCode);
   scoped_ptr<HttpAuthHandler> handler;
-  builder_.add_http_auth_handler_factory("ExtraScheme", mock_factory_basic);
+  builder_.add_http_auth_handler_factory("extrascheme", mock_factory_basic);
   scoped_ptr<URLRequestContext> context(builder_.Build());
   // Verify that a handler is returned for and added scheme.
   EXPECT_EQ(kBasicReturnCode,