updated expecatations
updated expecatations

/mac-release/sizes: http://build.chromium.org/f/chromium/perf/mac-release/sizes/report.html?history=50&header=Chromium.app&graph=Chromium.app&rev=114493

http://build.chromium.org/f/chromium/perf/mac-release/sizes/report.html?history=50&header=Chromium.app&graph=chrome-si&rev=114493

TBR=cmp 
BUG=107594
Review URL: http://codereview.chromium.org/8916017

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@114508 0039d316-1c4b-4281-b951-d872f2087c98

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