Unreviewed. Update Chromium test expectations.

        * platform/chromium-linux/fast/loader/recursive-before-unload-crash-expected.txt:
        * platform/chromium-linux/fast/multicol/client-rects-expected.txt: Removed.
        * platform/chromium-linux/fast/multicol/column-count-with-rules-expected.checksum: Added.
        * platform/chromium-linux/fast/multicol/column-count-with-rules-expected.png: Added.
        * platform/chromium-linux/fast/multicol/layers-in-multicol-expected.checksum: Added.
        * platform/chromium-linux/fast/multicol/layers-in-multicol-expected.png: Added.
        * platform/chromium-mac/fast/multicol/column-count-with-rules-expected.checksum: Added.
        * platform/chromium-mac/fast/multicol/column-count-with-rules-expected.png: Added.
        * platform/chromium-mac/fast/multicol/layers-in-multicol-expected.checksum: Added.
        * platform/chromium-mac/fast/multicol/layers-in-multicol-expected.png: Added.
        * platform/chromium-win/fast/canvas/canvas-toDataURL-case-insensitive-mimetype-expected.txt: Added.
        * platform/chromium-win/fast/multicol/client-rects-expected.txt:
        * platform/chromium-win/fast/multicol/column-count-with-rules-expected.checksum: Added.
        * platform/chromium-win/fast/multicol/column-count-with-rules-expected.png: Added.
        * platform/chromium-win/fast/multicol/column-count-with-rules-expected.txt: Added.
        * platform/chromium-win/fast/multicol/column-rules-expected.txt:
        * platform/chromium-win/fast/multicol/columns-shorthand-parsing-expected.txt:
        * platform/chromium-win/fast/multicol/float-avoidance-expected.txt:
        * platform/chromium-win/fast/multicol/float-multicol-expected.txt:
        * platform/chromium-win/fast/multicol/layers-in-multicol-expected.checksum: Added.
        * platform/chromium-win/fast/multicol/layers-in-multicol-expected.png: Added.
        * platform/chromium-win/fast/multicol/layers-in-multicol-expected.txt: Added.
        * platform/chromium-win/fast/multicol/single-line-expected.txt:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@59597 268f45cc-cd09-0410-ab3c-d52691b4dbfc