Webrtc client side (#4026)

* WebRTC Server side

* WebRTC client side

* Bug fixes and improvements

* Pushing UI improvements for webrtc (#3728)

* Pushing UI improvements for webrtc

* Updating webrtc css

* PLT-3943 WebRTC P1: bug fixes and improvements

* Video resolution set to std, reduce volume of ringtone and flip video horizontally

* Fix calling a user B while WebRTC RHS is still opened

* Leave RHS opened when call ends, Fix isBusy on popover and channel_header

* Fix pre-release feature, RHS & System Console

* PLT-3945 - Updating UI for webrtc (#3908)

* PLT-3943 Webrtc p1

* Add ongoing call indicator when RHS is opened

* UI updates to to webrtc notifcation (#3959)

webapp/client/client.jsx

@@ -121,6 +121,10 @@ export default class Client {
         return `${this.url}${this.urlVersion}/users/${userId}`;
     }
 
+    getWebrtcRoute() {
+        return `${this.url}${this.urlVersion}/webrtc`;
+    }
+
     setTranslations(messages) {
         this.translations = messages;
     }
@@ -1803,4 +1807,12 @@ export default class Client {
             return success(res.body);
         });
     }
+
+    webrtcToken(success, error) {
+        request.post(`${this.getWebrtcRoute()}/token`).
+        set(this.defaultHeaders).
+        type('application/json').
+        accept('application/json').
+        end(this.handleResponse.bind(this, 'webrtcToken', success, error));
+    }
 }