[BlackBerry] Use KURL::protocolIsInHTTPFamily instead of KURL::protocolInHTTPFamily
https://bugs.webkit.org/show_bug.cgi?id=110581

Patch by Carlos Garcia Campos <cargarcia@rim.com> on 2013-02-22
Reviewed by Rob Buis.

KURL::protocolInHTTPFamily() was removed in r109670.

* platform/network/blackberry/ResourceRequestBlackBerry.cpp:
(WebCore::ResourceRequest::clearHTTPContentLength):
(WebCore::ResourceRequest::clearHTTPContentType):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143748 268f45cc-cd09-0410-ab3c-d52691b4dbfc