Facebook Bangla font Problem in google chrome

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http://askubuntu.com – I am using google chrome (not chromium) in ubuntu 11.10. I have installed all bangla fonts, set encode to unicode and set bangla font in chrome. It shows all bangla fonts excepts facebook profile name. Chrome show blank box instead of facebook bangla profile name. But it shows the bangla profile name in title bar. What kind of problem is this? How can i solve this? image example: [see, title bar shows the bangla profile name] Note: I am using latest google chrome. It shows something link this 15.0.874.121 in chrome about window. i can't find any version. (HowTos)