See solution (Comment 22 by mackst...@gmail.com, Jan 5, 2011)
- Go to about:flags
- Click Enable in the "Tabbed Settings" section
- Scroll to the bottom and click Restart
- Go to wrench -> Preferences -> Under the Hood -> Web Content -> Change font settings -> Minimum Font Size.
This forces pages to use the minimum size specified. You may also specify font default types to be used (Standard, Serif, Sans-Serif, and Fixed-Width). I am running chrome 19.0.1084.56, and this works for me.
If you see a discrepancy with the provided information above, please, don't hesitate to contact me and correct my understanding of the facts. Always happy to learn more :D.