Implement a part of ProcessingInstruction by using PrivateScript

Source/core/xml/WindowXSLT.h

Index: Source/core/xml/WindowXSLT.h
diff --git a/Source/core/xml/WindowXSLT.h b/Source/core/xml/WindowXSLT.h
new file mode 100644
index 0000000000000000000000000000000000000000..8cadf71408b0d7a2472c6bff1fa44c1c0eaed92f
--- /dev/null
+++ b/Source/core/xml/WindowXSLT.h
@@ -0,0 +1,21 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WindowXSLT_h
+#define WindowXSLT_h
+
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class Document;
+class LocalDOMWindow;
+
+class WindowXSLT {
+public:
+    static void replaceDocument(LocalDOMWindow&, String documentSource, String contentType, String encodingName);
+};
+
+}
+#endif