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diff --git a/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMTreeWalker.h b/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMTreeWalker.h
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+++ b/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMTreeWalker.h
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+/*
+ *  This file is part of the WebKit open source project.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ */
+
+#if !defined(__WEBKITDOM_H_INSIDE__) && !defined(BUILDING_WEBKIT)
+#error "Only <webkitdom/webkitdom.h> can be included directly."
+#endif
+
+#ifndef WebKitDOMTreeWalker_h
+#define WebKitDOMTreeWalker_h
+
+#include <glib-object.h>
+#include <webkitdom/WebKitDOMObject.h>
+#include <webkitdom/webkitdomdefines.h>
+
+G_BEGIN_DECLS
+
+#define WEBKIT_DOM_TYPE_TREE_WALKER            (webkit_dom_tree_walker_get_type())
+#define WEBKIT_DOM_TREE_WALKER(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), WEBKIT_DOM_TYPE_TREE_WALKER, WebKitDOMTreeWalker))
+#define WEBKIT_DOM_TREE_WALKER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),  WEBKIT_DOM_TYPE_TREE_WALKER, WebKitDOMTreeWalkerClass)
+#define WEBKIT_DOM_IS_TREE_WALKER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), WEBKIT_DOM_TYPE_TREE_WALKER))
+#define WEBKIT_DOM_IS_TREE_WALKER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),  WEBKIT_DOM_TYPE_TREE_WALKER))
+#define WEBKIT_DOM_TREE_WALKER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj),  WEBKIT_DOM_TYPE_TREE_WALKER, WebKitDOMTreeWalkerClass))
+
+struct _WebKitDOMTreeWalker {
+    WebKitDOMObject parent_instance;
+};
+
+struct _WebKitDOMTreeWalkerClass {
+    WebKitDOMObjectClass parent_class;
+};
+
+WEBKIT_API GType
+webkit_dom_tree_walker_get_type(void);
+
+/**
+ * webkit_dom_tree_walker_parent_node:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_parent_node(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_first_child:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_first_child(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_last_child:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_last_child(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_previous_sibling:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_previous_sibling(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_next_sibling:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_next_sibling(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_previous_node:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_previous_node(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_next_node:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_next_node(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_get_root:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_get_root(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_get_what_to_show:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: A #gulong
+**/
+WEBKIT_API gulong
+webkit_dom_tree_walker_get_what_to_show(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_get_filter:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer full): A #WebKitDOMNodeFilter
+**/
+WEBKIT_API WebKitDOMNodeFilter*
+webkit_dom_tree_walker_get_filter(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_get_current_node:
+ * @self: A #WebKitDOMTreeWalker
+ *
+ * Returns: (transfer none): A #WebKitDOMNode
+**/
+WEBKIT_API WebKitDOMNode*
+webkit_dom_tree_walker_get_current_node(WebKitDOMTreeWalker* self);
+
+/**
+ * webkit_dom_tree_walker_set_current_node:
+ * @self: A #WebKitDOMTreeWalker
+ * @value: A #WebKitDOMNode
+ * @error: #GError
+ *
+**/
+WEBKIT_API void
+webkit_dom_tree_walker_set_current_node(WebKitDOMTreeWalker* self, WebKitDOMNode* value, GError** error);
+
+G_END_DECLS
+
+#endif /* WebKitDOMTreeWalker_h */