Unreviewed, test expectation update.

        - Rebaseline input-appearance-spinbutton-disabled-readonly.html
          for Chromium-mac and Chromium-linux.
        - Remove input-number-events.html.  It passes on Chromium now.

        * platform/chromium-linux/fast/forms/input-appearance-spinbutton-disabled-readonly-expected.checksum: Added.
        * platform/chromium-linux/fast/forms/input-appearance-spinbutton-disabled-readonly-expected.png: Added.
        * platform/chromium-linux/fast/forms/input-appearance-spinbutton-disabled-readonly-expected.txt: Added.
        * platform/chromium-mac/fast/forms/input-appearance-spinbutton-disabled-readonly-expected.checksum: Added.
        * platform/chromium-mac/fast/forms/input-appearance-spinbutton-disabled-readonly-expected.png: Added.
        * platform/chromium/test_expectations.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@64252 268f45cc-cd09-0410-ab3c-d52691b4dbfc