[Chromium] Rebaseline webaudio/realtimeanalyser-fft-sizing.html.

* platform/chromium-win/webaudio/realtimeanalyser-fft-sizing-expected.txt: Renamed from LayoutTests/platform/chromium-win-xp/webaudio/realtimeanalyser-fft-sizing-expected.txt.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138975 268f45cc-cd09-0410-ab3c-d52691b4dbfc