Prerequisites

• Put an X between the brackets on this line if you have done all of the following:
  • Reproduced the problem in Safe Mode: http://flight-manual.atom.io/hacking-atom/sections/debugging/#using-safe-mode
  • Followed all applicable steps in the debugging guide: http://flight-manual.atom.io/hacking-atom/sections/debugging/
  • Checked the FAQs on the message board for common solutions: https://discuss.atom.io/c/faq
  • Checked that your issue isn't already filed: https://github.com/issues?utf8=✓&q=is%3Aissue+user%3Aatom
  • Checked that there is not already an Atom package that provides the described functionality: https://atom.io/packages

Description

A security error is produced when attempting to collect a CPU Profile through the developer tools in Atom.

Steps to Reproduce

1. Launch Atom in your local atom repository
2. Press Alt+Cmd+I to open the Developer Tools
3. Click the Profiles tab in the Developer Tools
4. Ensure "Record JavaScript CPU Profile" is selected
5. Click Start
6. Do a couple random things in the editor
7. Click Stop
8. Observe that a SecurityError regarding temporary storage is displayed
9. Click the Save link next to the new profile record
10. Save to ~/Downloads
11. Get info on the new *.cpuprofile file

Expected behavior: The cpuprofile file to be longer than zero bytes

Actual behavior: The cpuprofile file is always zero bytes

Versions

Atom    : 1.15.0-dev-ae9d949ee
Electron: 1.3.13
Chrome  : 52.0.2743.82
Node    : 6.5.0

I also reproduced this using v1.13.1 and v1.14.0-beta4.

Additional Information