[BlackBerry] Skip spell checking on single character strings
https://bugs.webkit.org/show_bug.cgi?id=107463

Reviewed by Yong Li.

Check for a minimum string length when firing off spellcheck since we don't
want to mark single letter words.

Internally reviewed by Mike Fenton.

* WebKitSupport/InputHandler.cpp:
* WebKitSupport/SpellingHandler.cpp:
(BlackBerry::WebKit::SpellingHandler::createSpellCheckRequest):
(BlackBerry::WebKit::SpellingHandler::parseBlockForSpellChecking):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140349 268f45cc-cd09-0410-ab3c-d52691b4dbfc