Pass disable-switch to renderer if canvas 2d is blacklisted.
Pass disable-switch to renderer if canvas 2d is blacklisted.

BUG=93299
TEST=on machines where 2d-canvas is blacklisted, 2d canvas won't be hardware accelerated.
Review URL: http://codereview.chromium.org/7624036

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@97283 0039d316-1c4b-4281-b951-d872f2087c98

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