Revert only DEPS for v8 roll
Revert only DEPS for v8 roll

Rollback 12% regression in moz page-cycler

V8 latest will continue to show perf for the new v8, and identify fixes.

tbr=ager,darin
Review URL: http://codereview.chromium.org/42178

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@11649 0039d316-1c4b-4281-b951-d872f2087c98

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