Ubuntu – How to get back unity webapps to firefox integration

I can't believe that there was not a question or open issue for this before.

I've recently installed ubuntu 14.04 along with my favourite webapps; and I, unfortunately, realised that they're not integrated with firefox/chromium anymore. Instead, they use a minimal browser which I am not interested in.

Within the few reasons why I'm still using unity and I haven't moved to gnome or xfce, it's the unity-webapps. I haven't known any other OS or Desktop Environment (DE) which integrates the internet webapps in the computer and, at same time, keeps the power of the web-browser and the computer-using style.

I loved to be able to have tens of opened tabs & to be in one-click far away to my facebook tab. And I loved to create new tabs in the same windows that I used to have my open webapp. No mention of all the capabilities which firefox provides me…

So, is there any workaround to get back the unity-webapps integrated in firefox/chromium?
I've already checked the system settings and the unity tweak tool with no luck.

The major issue of the unity-webapps was there are few of them, they need more features and more stability.
If ubuntu doesn't fix this, I'll strongly think in moving to another DE. C'mon Canonical, I'm not using a tablet, I have got 6GB of RAM and I want to see many apps and many pages at the same time.

EDIT – I have reported a bug in launchpad for this issue:
https://bugs.launchpad.net/libunity-webapps/+bug/1329046

EDIT – My proposal of solution: The solution might be archieved following the path I'm describing below. I can only show it, somebody has to walk through it.

1. get the source for 14.04 unity-webapps
2. edit the place where webapp-browser is changed to be by default for unity-webapps inside libunity-webapps.
3. Compile again the code for 14.04 and post the output package here.

The source for libunity is hosted here: http://packages.ubuntu.com/source/trusty/libunity-webapps