WIP Success Failure closure cleanup
Success Failure closure cleanup
ServiceWorkerManager::VectorOfClosurePairs created to reduce callback management code
Merge branch 'sw-jyasskin-service-worker-apps-onLKGR-' into sw-dispatch-crbug357239-on360202-mergejyasskin-

Conflicts:
	extensions/browser/service_worker_manager.cc
	extensions/browser/service_worker_manager.h