Use the viewport to determine if more cropping is needed. (#1680)
Use the viewport to determine if more cropping is needed. (#1680)

* Use the viewport to determine if more cropping is needed.

* Fixup how we decide if cropping happened.

* Remove an unneeded assignment.

* Undo removal of a debug log.
sitespeedio/browsertime,sitespeedio/browsertime,sitespeedio/browsertime,sitespeedio/browsertime