Many times, we want to import our bookmarks to googlebookmarks. However, by default, google only allows export of bookmarks and you can't import from external file. The following link enables you to have your bookmarks such as delicious or any others into google bookmarks.
http://andyhitchman.github.io/DeliciousToGoogleBookmarks/
Tested and found working.
PS: Found this tool after lot of search!