- fix FrameLoader files so they can be built on non-Mac platforms

        * page/FramePrivate.h:
        (WebCore::FramePrivate::FramePrivate): Added code to create the frame loader.
        (WebCore::FramePrivate::~FramePrivate): Added code to delete the frame loader.

        * page/Page.h:
        * page/Page.cpp: (WebCore::Page::setDefersLoading): Removed the
        #if PLATFORM(MAC) that Adam added as a stop-gap when I did this wrong
        the other day.

        * bridge/mac/FrameMac.mm:
        (WebCore::FrameMac::FrameMac): Removed code to create the frame loader.
        (WebCore::FrameMac::~FrameMac): Removed code to delete the frame loader.

        * loader/FrameLoader.h: Changed import to include, added #if PLATFORM(MAC)
        around the PolicyCheck definition.

        * loader/FormState.cpp: Changed import to include.
        * loader/FrameLoader.cpp: Ditto.
        * loader/MainResourceLoader.h: Ditto.

        * loader/FrameLoaderTypes.h: Added a header guard.

        * loader/NetscapePlugInStreamLoader.h: Changed import to include.
        Added #if PLATFORM(MAC) around Mac-specific details.
        * loader/SubresourceLoader.h: Ditto.

        * page/Frame.cpp: (WebCore::Frame::loader): Updated name of loader to
        m_loader from m_frameLoader.

        * CMakeLists.txt: Updated.
        * WebCoreSources.bkl: Updated.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17442 268f45cc-cd09-0410-ab3c-d52691b4dbfc