Allow dynamic updating of authentication policies

net/http/url_security_manager.cc

Index: net/http/url_security_manager.cc
diff --git a/net/http/url_security_manager.cc b/net/http/url_security_manager.cc
index 4ff0f654dacfbcb192e1f83cda0e38bf98c1acd1..409cfde63209012725ed7ed34b5f55d8d10e4993 100644
--- a/net/http/url_security_manager.cc
+++ b/net/http/url_security_manager.cc
@@ -30,4 +30,18 @@ bool URLSecurityManagerWhitelist::CanDelegate(const GURL& auth_origin) const {
   return false;
 }
 
+void URLSecurityManagerWhitelist::SetDefaultWhitelist(
+    const HttpAuthFilter* whitelist_default) {
+  whitelist_default_.reset(whitelist_default);
+}
+
+void URLSecurityManagerWhitelist::SetDelegateWhitelist(
+    const HttpAuthFilter* whitelist_delegate) {
+  whitelist_delegate_.reset(whitelist_delegate);
+}
+
+bool URLSecurityManagerWhitelist::HasDefaultWhitelist() const {
+  return whitelist_default_.get() == nullptr;
+}
+
 }  //  namespace net