UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Steps to reproduce the problem:
1. Install electron via npm install electron@1.6.3
2. Run electron --remote-debugging-port=9222
3. Open the dev tools in the Electron window that appears (cmd-alt-i)
4. Open Chrome and navigate to http://localhost:9222
5. Select the link to debug the dev tools
6. Open the Sources tab
7. Open the file chooser (cmd-o)

What is the expected behavior?
The file names are shown in the top row with the full path underneath.

What went wrong?
The path is shown in both rows and the bottom row has an extra leading `/` in it, see attached screenshot.

Did this work before? Yes 55

Chrome version: 56.0.2924.87  Channel: stable
OS Version: OS X 10.12.3
Flash Version: