Update chrome.d.ts

Fix argument to BookmarkRemovedEvent
Added generic overload method declarations for the ko.utils.arrayX functions
Merge pull request #1116 from rsmithh/patch-1

Update chrome.d.ts
Merge pull request #1119 from tomkuijsten/master

Added generic overload method declarations for the ko.utils.arrayX funct...
Added chrome.identity.getAuthToken
Merge pull request #1125 from rsmithh/patch-1

Added chrome.identity.getAuthToken