Fix more problems with search providers.
Fix more problems with search providers.

onet.pl apparently moved their search service out of beta, and changed the URLs accordingly, since the time I put the original list together.

In the other two cases, changing encodings to UTF-8 seemed to fix issues with words in the local languages, and who am I to argue with the results.

BUG=3804,3809,3816
Review URL: http://codereview.chromium.org/8719

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@4190 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser