[chromium] Drop tiles completely outside of layer bounds when resizing to a smaller size
Created attachment 125722 [details] Patch
Comment on attachment 125722 [details] Patch LGTM. Part of me wonders if we should just get rid of that assert, but I think this change will keep the tile map in a more expected state.
Comment on attachment 125722 [details] Patch rs=me
Committed r106870: <http://trac.webkit.org/changeset/106870>