Remove a performance trace that seems to have caused a perf regression on XP, presumably because initializing ETW on Windows XP is somewhat expensive.
Remove a performance trace that seems to have caused a perf regression on XP, presumably because initializing ETW on Windows XP is somewhat expensive.

BUG=44109
TEST=XP page cycler buildbot should un-regress.

Review URL: http://codereview.chromium.org/2102002

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@47192 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser