Fix code that expects Page::chrome() to return a pointer
https://bugs.webkit.org/show_bug.cgi?id=116313

Patch by Alberto Garcia <agarcia@igalia.com> on 2013-05-17
Reviewed by Darin Adler.

Page::chrome() returns a reference after r150214.

* platform/network/blackberry/NetworkManager.cpp:
(WebCore::NetworkManager::startJob):
* platform/network/blackberry/SocketStreamHandleBlackBerry.cpp:
(WebCore::SocketStreamHandle::SocketStreamHandle):
* testing/Internals.cpp:
(WebCore::Internals::resetToConsistentState):
(WebCore::Internals::setEnableMockPagePopup):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150263 268f45cc-cd09-0410-ab3c-d52691b4dbfc