WebKit changes needed for supporting filesystem URLs natively in GURL/KURL.

Source/WebCore/page/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 64 matching lines @@
 #endif
     UNUSED_PARAM(url);
     return false;
 }
 
 // In general, extracting the inner URL varies by scheme. It just so happens
 // that all the URL schemes we currently support that use inner URLs for their
 // security origin can be parsed using this algorithm.
 static KURL extractInnerURL(const KURL& url)
 {
+#if ENABLE(FILE_SYSTEM)
+    if (url.innerURL())
+        return *url.innerURL();
+#endif
     // FIXME: Update this callsite to use the innerURL member function when
     // we finish implementing it.
     return KURL(ParsedURLString, decodeURLEscapeSequences(url.path()));
 }
 
 static bool shouldTreatAsUniqueOrigin(const KURL& url)
 {
     if (!url.isValid())
         return true;
 
@@ skipping 406 matching lines @@
     if (m_port != other->m_port)
         return false;
 
     if (isLocal() && !passesFileCheck(other))
         return false;
 
     return true;
 }
 
 } // namespace WebCore