Reviewed by Darin Adler.

        Add a new test for testing whether the media type is restores
        properly after printing a page (changing media type to 'print').

        Add expected result and skip the test for platform that do not
        implement setMediaType().

        * fast/media/print-restores-previous-mediatype-expected.txt: Added.
        * fast/media/print-restores-previous-mediatype.html: Added.
        * platform/gtk/Skipped:
        * platform/mac/Skipped:
        * platform/win/Skipped:
2010-03-18  Kenneth Rohde Christiansen  <kenneth@webkit.org>

        Reviewed by Darin Adler.

        Make setPrinting() with printing=false, restore the previous
        media type in use.

        Test: fast/media/print-restores-previous-mediatype.html

        * page/Frame.cpp:
        (WebCore::Frame::setPrinting):
        * page/FrameView.cpp:
        (WebCore::FrameView::adjustMediaTypeForPrinting):
        * page/FrameView.h:
2010-03-18  Kenneth Rohde Christiansen  <kenneth@webkit.org>

        Reviewed by Darin Adler.

        Make it possible for the Qt DRT to set the media type from
        the LayoutTestController.

        * Api/qwebframe.cpp:
        (qt_drt_setMediaType):
2010-03-18  Kenneth Rohde Christiansen  <kenneth@webkit.org>

        Reviewed by Darin Adler.

        Add a new method to the Qt LayoutTestController for
        changing media type and make the DRT support dry-run printing.

        * DumpRenderTree/qt/DumpRenderTreeQt.cpp:
        (WebCore::DumpRenderTree::DumpRenderTree):
        (WebCore::DumpRenderTree::dryRunPrint):
        * DumpRenderTree/qt/DumpRenderTreeQt.h:
        * DumpRenderTree/qt/LayoutTestControllerQt.cpp:
        (LayoutTestController::setMediaType):
        * DumpRenderTree/qt/LayoutTestControllerQt.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@56209 268f45cc-cd09-0410-ab3c-d52691b4dbfc