--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/public/WebFileSystem.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebFileSystem_h
+#define WebFileSystem_h
+
+#include "WebCommon.h"
+#include "WebString.h"
+#include "WebURL.h"
+
+namespace WebKit {
+
+class WebFileSystem {
+public:
+#ifdef WIN32
+    typedef HANDLE FileHandle;
+#else
+    typedef int FileHandle;
+#endif
+
+    virtual bool fileExists(const WebString& path) { return false; }
+    virtual bool deleteFile(const WebString& path) { return false; }
+    virtual bool deleteEmptyDirectory(const WebString& path) { return false; }
+    virtual bool getFileSize(const WebString& path, long long& result) { return false; }
+    virtual bool getFileModificationTime(const WebString& path, double& result) { return false; }
+    virtual WebString directoryName(const WebString& path)  { return WebString(); }
+    virtual WebString pathByAppendingComponent(const WebString& path, const WebString& component)  { return WebString(); }
+    virtual bool makeAllDirectories(const WebString& path) { return false; }
+    virtual WebString getAbsolutePath(const WebString& path)  { return WebString(); }
+    virtual bool isDirectory(const WebString& path) { return false; }
+    virtual WebURL filePathToURL(const WebString& path)  { return WebURL(); }
+    virtual FileHandle openFile(const WebString& path, int mode)  { return FileHandle(); }
+    // Should set the FileHandle to a invalid value if the file is closed successfully.
+    virtual void closeFile(FileHandle&) { }
+    virtual long long seekFile(FileHandle, long long offset, int origin) { return 0; }
+    virtual bool truncateFile(FileHandle, long long offset) { return false; }
+    virtual int readFromFile(FileHandle, char* data, int length) { return 0; }
+    virtual int writeToFile(FileHandle, const char* data, int length) { return 0; }
+
+protected:
+    ~WebFileSystem() {}
+};
+
+} // namespace WebKit
+
+#endif