had the same error in chrome 23.0.1271.64 ... still not sure if I fixed it forever, but applied a benign affine transform to an element in the form:
element { -webkit-transform: matrix(1.0, 0.0, 0.0, 1.0, 0.00, 0.01); }
seems to have sorted out the problem ... yours, ymmv, so good luck ...
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