chrome extension for setting default search engine

I a开发者_开发技巧m developing an extension for chrome, which sets a search engine as default with out any UI interaction(Edit search Engines). Is it possible to develop this kind of extensions. Is there any way such that I can override or use some functions in chrome source code.

Thanks sathi.

Currently, it is not possible. The closest you can do right now is use the experimental omnibox API to register your own custom keyword.

Feel free to file a feature request at http://crbug.com if you would like to see an API like this in Chrome. Depending on your use case, there could be a better way doing what you wanted. Changing search engines isn't favourable without user intervention..