sync-webkit-git: work around From() in DEPS
sync-webkit-git: work around From() in DEPS

We don't need From() to do anything, we just need it to be
available.

Review URL: http://codereview.chromium.org/7349013

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@92213 0039d316-1c4b-4281-b951-d872f2087c98

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