Reviewed by Eric Seidel.

        [GTK] Add DRT support for pageProperty, isPageBoxVisible, pageSizeAndMarginsInPixels, and addUserStyleSheet
        https://bugs.webkit.org/show_bug.cgi?id=50783

        Unskip the following test cases:
        printing/page-rule-selection.html
        printing/page-format-data.html
        * platform/gtk/Skipped:
2010-12-10  Joone Hur  <joone@kldp.org>

        Reviewed by Eric Seidel.

        [GTK] Add DRT support for pageProperty, isPageBoxVisible, pageSizeAndMarginsInPixels, and addUserStyleSheet
        https://bugs.webkit.org/show_bug.cgi?id=50783

        This patch allows to unskip the following test cases:
        printing/page-rule-selection.html
        printing/page-format-data.html

        * WebCoreSupport/DumpRenderTreeSupportGtk.cpp:
        (DumpRenderTreeSupportGtk::pageProperty): Added.
        (DumpRenderTreeSupportGtk::isPageBoxVisible): Ditto.
        (DumpRenderTreeSupportGtk::pageSizeAndMarginsInPixels): Ditto.
        (DumpRenderTreeSupportGtk::addUserStyleSheet): Ditto.
        * WebCoreSupport/DumpRenderTreeSupportGtk.h:
2010-12-10  Joone Hur  <joone@kldp.org>

        Reviewed by Eric Seidel.

        [GTK] Add DRT support for pageProperty, isPageBoxVisible, pageSizeAndMarginsInPixels, and addUserStyleSheet
        https://bugs.webkit.org/show_bug.cgi?id=50783

        This patch allows to unskip the following test cases:
        printing/page-rule-selection.html
        printing/page-format-data.html

        * DumpRenderTree/gtk/LayoutTestControllerGtk.cpp:
        (LayoutTestController::pageProperty): Added.
        (LayoutTestController::isPageBoxVisible): Ditto.
        (LayoutTestController::pageSizeAndMarginsInPixels): Ditto.
        (LayoutTestController::addUserStyleSheet): Ditto.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@73714 268f45cc-cd09-0410-ab3c-d52691b4dbfc