Reviewed by Adam Roben.

        [GTK] Implement pixel dump support for WebKitTestRunner
        https://bugs.webkit.org/show_bug.cgi?id=58242

        * GNUmakefile.am: Reference the new ImageDiff GNUmakefile.
2011-06-22  Martin Robinson  <mrobinson@igalia.com>

        Reviewed by Adam Roben.

        [GTK] Implement pixel dump support for WebKitTestRunner
        https://bugs.webkit.org/show_bug.cgi?id=58242

        * GNUmakefile.am: Added new Cairo specific image handling files to the build.
        * Shared/API/c/cairo/WKImageCairo.cpp: Copied from Source/WebKit2/Shared/cairo/ShareableBitmapCairo.cpp.
        (WKImageCreateCairoSurface): Added
        (WKImageCreateFromCairoSurface): Added
        * Shared/API/c/cairo/WKImageCairo.h: Copied from Source/WebKit2/Shared/cairo/ShareableBitmapCairo.cpp.
2011-06-22  Martin Robinson  <mrobinson@igalia.com>

        Reviewed by Adam Roben.

        [GTK] Implement pixel dump support for WebKitTestRunner
        https://bugs.webkit.org/show_bug.cgi?id=58242

        * DumpRenderTree/gtk/GNUmakefile.ImageDiff.am: Added.
        * GNUmakefile.am: Separate out the ImageDiff bits of the GNUmakefile.
        * Scripts/old-run-webkit-tests: Update to add support for the GTK+ port.
        * WebKitTestRunner/GNUmakefile.am: Added Cairo specific files to the build.
        * WebKitTestRunner/TestInvocation.cpp: Moved this code to the platform-independent
        file so that we can share it across platforms.
        (WTR::TestInvocation::compareActualHashToExpectedAndDumpResults):
        * WebKitTestRunner/TestInvocation.h: Updated method list.
        * WebKitTestRunner/cairo/TestInvocationCairo.cpp: Added Cairo implementation.
        * WebKitTestRunner/cg/TestInvocationCG.cpp:
        (WTR::TestInvocation::dumpPixelsAndCompareWithExpected): Updated to use new helper.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@89426 268f45cc-cd09-0410-ab3c-d52691b4dbfc