Implement DOM generated keys construction at the manager level #2855

Job	Run time
Multiple Containers - Chrome	2m 54s
One Container Vertically - Chrome	3m 21s
e2e-linux (18.15, chromium, production)	3m 16s
e2e-mac (18.15, chromium, production)	4m 33s
e2e-linux (18.15, firefox, production)	3m 20s
e2e-mac (18.15, chromium, development)	4m 27s
e2e-mac (18.15, firefox, production)	6m 26s
e2e-windows (18.15, chromium, production)	3m 50s
Lint	53s
e2e-mac (18.15, firefox, development)	5m 44s
e2e-windows (18.15, firefox, production)	6m 55s
e2e-mac (18.15, webkit, production)	3m 54s
Check Types	51s
e2e-mac (18.15, webkit, development)	2m 35s
Unit Test	1m 2s
Publish to NPM	0s
	54m 1s

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