Add suborigin logic to url::Origin

url/url_constants.cc

Index: url/url_constants.cc
diff --git a/url/url_constants.cc b/url/url_constants.cc
index 549819e97f3abdbe6ee24aac569c9b6387f2520e..73c9a7671522071593cc8cb50a1ccb67a72ef763 100644
--- a/url/url_constants.cc
+++ b/url/url_constants.cc
@@ -24,6 +24,9 @@ const char kMailToScheme[] = "mailto";
 const char kWsScheme[] = "ws";
 const char kWssScheme[] = "wss";
 
+const char kHttpSuboriginScheme[] = "http-so";
+const char kHttpsSuboriginScheme[] = "https-so";
+
 const char kStandardSchemeSeparator[] = "://";
 
 const size_t kMaxURLChars = 2 * 1024 * 1024;