Transfer SecurityOrigin overrides to Workers.

Source/platform/weborigin/SecurityOrigin.cpp

 /*
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 513 matching lines @@
     return true;
 }
 
 const String& SecurityOrigin::urlWithUniqueSecurityOrigin()
 {
     ASSERT(isMainThread());
     DEFINE_STATIC_LOCAL(const String, uniqueSecurityOriginURL, ("data:,"));
     return uniqueSecurityOriginURL;
 }
 
+void SecurityOrigin::transferPrivilegesFrom(const SecurityOrigin& origin)
+{
+    m_universalAccess = origin.m_universalAccess;
+    m_canLoadLocalResources = origin.m_canLoadLocalResources;
+    m_enforceFilePathSeparation = origin.m_enforceFilePathSeparation;
+}
+
 } // namespace blink