Reviewed by Dan Bernstein

        <rdar://problem/6497461> Many media layout tests failing on SnowLeopard.

        Turn media tests back on for SnowLeopard, and generate new pixel results. Put override
        results in platform/mac-leopard when necessary.

        media/video-size-intrinsic-scale.html fails and is still skipped: <rdar://problem/6877291>

        * platform/mac-leopard/media/audio-controls-rendering-expected.checksum: Added.
        * platform/mac-leopard/media/audio-controls-rendering-expected.png: Added.
        * platform/mac-leopard/media/video-aspect-ratio-expected.checksum: Added.
        * platform/mac-leopard/media/video-aspect-ratio-expected.png: Added.
        * platform/mac-leopard/media/video-controls-rendering-expected.checksum: Added.
        * platform/mac-leopard/media/video-controls-rendering-expected.png: Added.
        * platform/mac-leopard/media/video-display-toggle-expected.checksum: Added.
        * platform/mac-leopard/media/video-display-toggle-expected.png: Added.
        * platform/mac-leopard/media/video-empty-source-expected.checksum: Added.
        * platform/mac-leopard/media/video-empty-source-expected.png: Added.
        * platform/mac-leopard/media/video-layer-crash-expected.checksum: Added.
        * platform/mac-leopard/media/video-layer-crash-expected.png: Added.
        * platform/mac-leopard/media/video-transformed-expected.checksum: Added.
        * platform/mac-leopard/media/video-transformed-expected.png: Added.
        * platform/mac-leopard/media/video-zoom-controls-expected.checksum: Added.
        * platform/mac-leopard/media/video-zoom-controls-expected.png: Added.
        * platform/mac-leopard/media/video-zoom-expected.checksum: Added.
        * platform/mac-leopard/media/video-zoom-expected.png: Added.
        * platform/mac-snowleopard/Skipped:
        * platform/mac/Skipped:
        * platform/mac/media/audio-controls-rendering-expected.checksum:
        * platform/mac/media/audio-controls-rendering-expected.png:
        * platform/mac/media/video-aspect-ratio-expected.checksum:
        * platform/mac/media/video-aspect-ratio-expected.png:
        * platform/mac/media/video-controls-rendering-expected.checksum:
        * platform/mac/media/video-controls-rendering-expected.png:
        * platform/mac/media/video-controls-visible-audio-only-expected.checksum: Removed.
        * platform/mac/media/video-controls-visible-audio-only-expected.png: Removed.
        * platform/mac/media/video-display-toggle-expected.checksum:
        * platform/mac/media/video-display-toggle-expected.png:
        * platform/mac/media/video-empty-source-expected.checksum:
        * platform/mac/media/video-empty-source-expected.png:
        * platform/mac/media/video-layer-crash-expected.checksum:
        * platform/mac/media/video-layer-crash-expected.png:
        * platform/mac/media/video-transformed-expected.checksum:
        * platform/mac/media/video-transformed-expected.png:
        * platform/mac/media/video-zoom-controls-expected.checksum:
        * platform/mac/media/video-zoom-controls-expected.png:
        * platform/mac/media/video-zoom-expected.checksum:
        * platform/mac/media/video-zoom-expected.png:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@43592 268f45cc-cd09-0410-ab3c-d52691b4dbfc