Introduce a SVGUnknownElement class for unknown SVG elements

Source/core/svg/SVGUnknownElement.cpp

Index: Source/core/svg/SVGUnknownElement.cpp
diff --git a/Source/core/platform/chromium/FileSystemChromiumLinux.cpp b/Source/core/svg/SVGUnknownElement.cpp
similarity index 87%
copy from Source/core/platform/chromium/FileSystemChromiumLinux.cpp
copy to Source/core/svg/SVGUnknownElement.cpp
index 4d1d4a87f1d5f70adfe418b4cb4d7c9ba06ba6a3..ecc0d2f2f186434ad83a947d92cca241c2bfa3b0 100644
--- a/Source/core/platform/chromium/FileSystemChromiumLinux.cpp
+++ b/Source/core/svg/SVGUnknownElement.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
+ * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -29,13 +29,13 @@
  */
 
 #include "config.h"
-#include "core/platform/FileSystem.h"
+#include "core/svg/SVGUnknownElement.h"
 
 namespace WebCore {
 
-String pathGetFileName(const String& path)
+SVGUnknownElement::SVGUnknownElement(const QualifiedName& tagName, Document* document)
+    : SVGElement(tagName, document)
 {
-    return path.substring(path.reverseFind('/') + 1);
 }
 
 } // namespace WebCore