Remove copy of CSSToLengthConversionData in FilterOperationResolver.
Remove copy of CSSToLengthConversionData in FilterOperationResolver.

FilterOperationResolver currently adjusts a CSSToLengthConversionData with
the zoom it already has, which is pointless.

R=rune@opera.com

Review URL: https://codereview.chromium.org/756013002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@186022 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs