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

Source/WebCore/platform/KURL.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2011 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 204 matching lines @@
     KURL(const QUrl&);
     operator QUrl() const;
 #endif
 
 #if USE(GOOGLEURL)
     // Getters for the parsed structure and its corresponding 8-bit string.
     const url_parse::Parsed& parsed() const { return m_url.m_parsed; }
     const CString& utf8String() const { return m_url.utf8String(); }
 #endif
 
+
+#if ENABLE(FILE_SYSTEM)
+#if USE(GOOGLEURL)
+    const KURL* innerURL() const { return m_url.innerURL(); }
+#else
+    const KURL* innerURL() const { notImplemented(); return 0; }
+#endif
+#endif
+
 #ifndef NDEBUG
     void print() const;
 #endif
 
     // FIXME: Remove this after changing all callers to use protocolIsInHTTPFamily.
     bool protocolInHTTPFamily() const { return protocolIsInHTTPFamily(); }
 
 private:
     void invalidate();
     bool isHierarchical() const;
@@ skipping 159 matching lines @@
 
     // KURLHash is the default hash for String
     template<typename T> struct DefaultHash;
     template<> struct DefaultHash<WebCore::KURL> {
         typedef WebCore::KURLHash Hash;
     };
 
 } // namespace WTF
 
 #endif // KURL_h