1506103 - The "View on Apple Music" button from online Apple Music has no functionality on Mac OS X 10.9

Status: RESOLVED DUPLICATE of bug 1505507

(Core :: Security: Process Sandboxing, defect, P1)

Description

[Daniel Bodea [:danibodea]]

[Note]:
- The "View on Apple Music" button from online Apple Music has no functionality on Mac OS X 10.9 when the "security.sandbox.content.mac.earlyinit" pref is "true".

[Affected versions]:
- Nightly v65.0a1

[Affected platforms]:
- Mac OS X 10.9.5 -> affected
- Mac OS X 10.10.5 -> unaffected
- Mac OS X 10.11.5 -> unaffected
- Mac OS X 10.12.6 -> unaffected
- Mac OS X 10.13.6 -> unaffected
- Mac OS X 10.14 -> unaffected

[Steps to reproduce]:
1. Open browser.
2. Go to about:config and make pref "security.sandbox.content.mac.earlyinit" as "true".
3. Restart browser.
4. Reach the following page:
https://itunes.apple.com/us/artist/louis-armstrong/518462
5. Click on the "View on Apple Music" button.

[Expected result]:
- "Launch Application" pop-up is displayed to choose which app to open the link with OR the iTunes application is opened.

[Actual result]:
- The button has no functionality.

[Additional notes]:
- While having tested on 5 different Apple devices, this issue does not seem to be related to the device itself, but only to the OS running on it.