Reviewed by Maciej.

    Reviewed by Maciej.

        General cleanup, get rid of PlatformResponse (we have ResourceResponse now)
        and remove a couple of functions that were unused.

        * loader/CachedResource.h:
        * loader/LoaderFunctions.h:
        * loader/mac/LoaderFunctionsMac.mm:
        * platform/network/ResourceHandle.h:
        * platform/network/ResourceHandleClient.h:
        * platform/network/mac/ResourceHandleMac.mm:
        (WebCore::ResourceHandle::~ResourceHandle):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@18039 268f45cc-cd09-0410-ab3c-d52691b4dbfc