ipc: rename a variable to make code clearer
ipc: rename a variable to make code clearer

It took me a while to understand this function because filters_
and filters represented two very different things.

Review URL: http://codereview.chromium.org/7670006

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@97037 0039d316-1c4b-4281-b951-d872f2087c98

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