1161418 - [e10s] uBlock Origin addon hits "TypeError: Date.now is not a function"

Status: RESOLVED DUPLICATE of bug 1171173

(Firefox :: Extension Compatibility, defect)

Description

[atlanto]

https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
https://github.com/gorhill/uBlock

console log whenever web page is opened
>TypeError: Date.now is not a function vapi-client.js:36:37
>[Exception... "[JavaScript Error: "Date.now is not a function" {file: "chrome://ublock0/content/js/vapi-client.js" line: 36}]'[JavaScript Error: "Date.now is not a function" {file: "chrome://ublock0/content/js/vapi-client.js" line: 36}]' when calling method: [nsIObserver::observe]"  nsresult: "0x80570021 (NS_ERROR_XPC_JAVASCRIPT_ERROR_WITH_DETAILS)"  location: "JS frame :: resource://gre/modules/RemoteAddonsParent.jsm :: ObserverParent.notify :: line 354"  data: yes] RemoteAddonsParent.jsm:356:0

This doesn't occur in non-e10s window.

Comment 1

[atlanto]

This is caused by bug 1172888 – Preference 'extensions.bootstrappedAddons' not updated properly.
and duplicated with bug 1171173 – After start, Disabling/Enabling uBlock considerably lowers page load times with E10s, it is resolved now.

confirmed with
Firefox 42.0a1 20150708030204
uBlock Origin 0.9.9.3 (since the exception was hidden at frameModule.js#349, I modified it to show exception)
There is no problem.

Closing.