KeyPress HTML5 player

My question is quite simple, is it possible to change how ignore you video when you press the left arrow or right key in mozilla html5 player. At the moment it ignores 15 seconds instead of 5 sec standard as in all players. What I found is a video function while using Inspector called keypress of chrome://global...videocontrols.xml:1237 but I can't change it.

I did exactly as said @jscher2000, I just wrote an easy extension that overrided the file with my modified file that had a value changed from time jump. I used this guide:
https://developer.Mozilla.org/en-us/docs/Building_an_Extension

you type "chrome://global/content/bindings/videocontrols.xml" into the address bar and you save it to get an xml file, and then you open it with Notepad, search for "oldval - 15"and "oldval + 15"and change it to anything you want, put it in the right folder (where sample.xul is in the guide)

content of chrome.manifest:
"
content sample chrome/content /.
Override chrome://global/content/bindings/videocontrols.xml chrome://sample/content/videocontrols.xml
"

I think it's the easiest way, I intend to try to set this setting to: config but it works fine now so I don't bother.

Tags: Firefox

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