Replaced instances of window.localStorage with chrome.storage.local
Replaced instances of window.localStorage with chrome.storage.local

Change-Id: I6c21987ab90c3ad32740a170c0eae84624c933ad
Reviewed-on: https://chromium-review.googlesource.com/212927
Reviewed-by: Robert Ginda <4419ac4e35d191308e944202d542b192188656d1@chromium.org>
Tested-by: Robert Ginda <4419ac4e35d191308e944202d542b192188656d1@chromium.org>

hernad/libapps,hernad/libapps,hernad/libapps,hernad/libapps