[chromium] Move WebLayer and WebFloat(Point|Quad|Rect) APIs to platform directory
Created attachment 117540 [details] Patch
After this lands and rolls I'll remove the downstream users of the old header locations then remove the forwarding headers.
Please wait for approval from fishd@chromium.org before submitting because this patch contains changes to the Chromium public API.
Comment on attachment 117540 [details] Patch LGTM
Committed r101885: <http://trac.webkit.org/changeset/101885>