Use cpus instead of cpus+1 for webkit tests. This changes the runtime from 7mins to 8m20s on my quad-core mac. Still running the test on my dual-core windows to see the perf hit.
Use cpus instead of cpus+1 for webkit tests.
This changes the runtime from 7mins to 8m20s on my quad-core
mac. Still running the test on my dual-core windows to see
the perf hit.

Hopefully this will reduce flakiness. Once we flesh out
more of the flakiness we can up this back to cpus+1.

Review URL: http://codereview.chromium.org/63105

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@13328 0039d316-1c4b-4281-b951-d872f2087c98

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