[Mac] Force-enable the find next/previous buttons when pressing Cmd-F to repeat a search.
[Mac] Force-enable the find next/previous buttons when pressing
Cmd-F to repeat a search.

BUG=http://crbug.com/18762
BUG=http://crbug.com/20273
TEST=See test cases in bugs.  Both should work now.
Review URL: http://codereview.chromium.org/200050

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@25722 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