Add declaration of state method of $location service.
Add declaration of state method of $location service.

The documentation of the state method is here:

https://docs.angularjs.org/api/ng/service/$location#state

and here's the source code:

https://github.com/angular/angular.js/blob/master/src/ng/location.js

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mprobst/closure-compiler,nawawi/closure-compiler,tdelmas/closure-compiler,shantanusharma/closure-compiler,Yannic/closure-compiler,mprobst/closure-compiler,mprobst/closure-compiler,google/closure-compiler,google/closure-compiler,vobruba-martin/closure-compiler,google/closure-compiler,tiobe/closure-compiler,monetate/closure-compiler,tdelmas/closure-compiler,tdelmas/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler,vobruba-martin/closure-compiler,monetate/closure-compiler,google/closure-compiler,shantanusharma/closure-compiler,mprobst/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler,nawawi/closure-compiler,tiobe/closure-compiler,monetate/closure-compiler,tiobe/closure-compiler,monetate/closure-compiler,shantanusharma/closure-compiler,Yannic/closure-compiler,ChadKillingsworth/closure-compiler,vobruba-martin/closure-compiler,Yannic/closure-compiler,Yannic/closure-compiler,shantanusharma/closure-compiler,tiobe/closure-compiler,vobruba-martin/closure-compiler,tdelmas/closure-compiler,ChadKillingsworth/closure-compiler