[BlackBerry] Update NetworkJob to accept batched headers

[BlackBerry] Update NetworkJob to accept batched headers
https://bugs.webkit.org/show_bug.cgi?id=81273

Batch up the headers into a vector before they come into
webkit to increase performance, and simplify the API.

Patch by Tay Grigg <tgrigg@rim.com> on 2012-03-16
Reviewed by George Staikos.

* platform/network/blackberry/NetworkJob.cpp:
(WebCore::NetworkJob::notifyHeadersReceived):
* platform/network/blackberry/NetworkJob.h:
(NetworkJob):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@111025 268f45cc-cd09-0410-ab3c-d52691b4dbfc