Bug 980186. Tell automation.environment about the debugger. r=jgriffin

This lets it set the crash reporting envs properly.

--HG--
rename : layout/reftests/abs-pos/table-internal-5-ref.html => layout/reftests/abs-pos/table-internal-1-ref.html
rename : layout/reftests/abs-pos/table-internal-6-ref.html => layout/reftests/abs-pos/table-internal-3-ref.html
rename : layout/reftests/abs-pos/table-internal-7-ref.html => layout/reftests/abs-pos/table-internal-4-ref.html
rename : webapprt/test/chrome/mozpay-failure.html => webapprt/test/chrome/mozpay-success.html
extra : rebase_source : 903979ef854d1c1737ed4b2eb21be26b2bcb7017