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diff --git a/Source/WebKit/gtk/webkit/webkitapplicationcache.cpp b/Source/WebKit/gtk/webkit/webkitapplicationcache.cpp
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+++ b/Source/WebKit/gtk/webkit/webkitapplicationcache.cpp
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+/*
+ * Copyright (C) 2009 Jan Michael Alonzo <jmalonzo@gmail.com>
+ * Copyright (C) 2011 Lukasz Slachciak
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "webkitapplicationcache.h"
+
+#include "ApplicationCacheStorage.h"
+#include "FileSystem.h"
+#include <wtf/UnusedParam.h>
+#include <wtf/text/CString.h>
+
+// web application cache maximum storage size
+static unsigned long long cacheMaxSize = UINT_MAX;
+
+/**
+ * webkit_application_cache_get_maximum_size:
+ *
+ * Returns the maximum size of the cache storage.
+ * By default it is set to UINT_MAX i.e. no quota.
+ *
+ * Returns: the current application cache maximum storage size
+ *
+ * Since: 1.3.13
+ **/
+unsigned long long webkit_application_cache_get_maximum_size()
+{
+    return (cacheMaxSize = WebCore::cacheStorage().maximumSize());
+}
+
+/**
+ * webkit_application_cache_set_maximum_size:
+ * @size: the new web application cache maximum storage size
+ *
+ * Sets new application cache maximum storage size.
+ * Changing the application cache storage size will clear the cache
+ * and rebuild cache storage.
+ *
+ * Since: 1.3.13
+ **/
+void webkit_application_cache_set_maximum_size(unsigned long long size)
+{
+    if (size != cacheMaxSize) {
+        WebCore::cacheStorage().empty();
+        WebCore::cacheStorage().vacuumDatabaseFile();
+        WebCore::cacheStorage().setMaximumSize(size);
+        cacheMaxSize = size;
+    }
+}
+
+/**
+ * webkit_application_cache_get_database_directory_path:
+ *
+ * Returns the path to the directory WebKit will write web application
+ * cache databases to. By default this path is set to
+ * $XDG_CACHE_HOME/webkitgtk/applications and cannot be modified.
+ *
+ * Returns: the application cache database directory path
+ *
+ * Since: 1.3.13
+ **/
+const gchar* webkit_application_cache_get_database_directory_path()
+{
+    CString path = WebCore::fileSystemRepresentation(WebCore::cacheStorage().cacheDirectory());
+    return path.data();
+}
+