[BlackBerry] Find-on-page should do the scoping again when highlight policy changed
https://bugs.webkit.org/show_bug.cgi?id=114885

Patch by Andy Chen <andchen@blackberry.com> on 2013-04-19
Reviewed by Rob Buis.

PR 195773
Internally reviewed by Mike Fenton.
For find on page, we need to treat it as a new search if highlightAllMatches
changes but the text is not changed.

* WebKitSupport/InPageSearchManager.cpp:
(BlackBerry::WebKit::InPageSearchManager::findNextString):
(BlackBerry::WebKit::InPageSearchManager::findAndMarkText):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148762 268f45cc-cd09-0410-ab3c-d52691b4dbfc