Update xpdual/morejs expectations.
Update xpdual/morejs expectations.

xpdual/morejs times improved at 50331:50332.  r50331 is
WebKit roll (61498:61520) which is the most likely
place for this to have improved.  Account for new times
results in expectations.

BUG=none
TEST=xpdual/morejs is green
TBR=nsylvain@chromium.org

Review URL: http://codereview.chromium.org/3061006

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@53426 0039d316-1c4b-4281-b951-d872f2087c98

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