Created ServiceWorkerManager::SuccessFailureClosurePair
Merge branch 'sw-lkgr' into sw-jyasskin-service-worker-apps-onLKGR-

Conflicts:
	extensions/extensions.gyp
COMPILING, NOT PASSING ExtensionServiceWorkerBrowserTest.InstallAndUninstall. Removed command line switch.
--enable-experimental-web-platform-features command-line flag.
MERGE COMPLETE. Fixed compile and test runs.
Merge branch 'sw-content-api-crbug360202-onLKGR-' into sw-dispatch-crbug357239-on360202-
Merge branch 'sw-dispatch-crbug357239-on360202-' into sw-dispatch-crbug357239-on360202-mergejyasskin-
Update app_runtime_api include location.
Merge branch 'sw-jyasskin-service-worker-apps-onLKGR-' into sw-dispatch-crbug357239-on360202-mergejyasskin-

Conflicts:
	extensions/browser/service_worker_manager.h
Compiles and passes tests