Add database recovery for FileSystemOriginDatabase

webkit/fileapi/file_system_util.cc

Index: webkit/fileapi/file_system_util.cc
diff --git a/webkit/fileapi/file_system_util.cc b/webkit/fileapi/file_system_util.cc
index c5a30473de1fa596ae35ef5902a2b0abf44aaff3..ab145f1592e596f7fbdc9a05d631fa65a01b2a7e 100644
--- a/webkit/fileapi/file_system_util.cc
+++ b/webkit/fileapi/file_system_util.cc
@@ -224,4 +224,20 @@ std::string GetFileSystemTypeString(FileSystemType type) {
   }
 }
 
+std::string FilePathToString(const FilePath& file_path) {
+#if defined(OS_WIN)
+  return UTF16ToUTF8(file_path.value());
+#elif defined(OS_POSIX)
+  return file_path.value();
+#endif
+}
+
+FilePath StringToFilePath(const std::string& file_path_string) {
+#if defined(OS_WIN)
+  return FilePath(UTF8ToUTF16(file_path_string));
+#elif defined(OS_POSIX)
+  return FilePath(file_path_string);
+#endif
+}
+
 }  // namespace fileapi