Extracted code duplication into separate function

JitsiMeetJS.js

               handler(error);
           });
         } else {
-            if (error instanceof JitsiTrackError && error.gum) {
-                Statistics.sendGetUserMediaFailed(error);
-            } else {
-                Statistics.sendUnhandledError(error);
-            }
+            Statistics.reportGlobalError.call(Statistics, error);
         }
     },
 

modules/statistics/statistics.js

 
 Statistics.LOCAL_JID = require("../../service/statistics/constants").LOCAL_JID;
 
+/**
+ * Reports global error to CallStats.
+ *
+ * @param {Error} error
+ */
+Statistics.reportGlobalError = function (error) {
+    if (error instanceof JitsiTrackError && error.gum) {
+        this.sendGetUserMediaFailed(error);
+    } else {
+        this.sendUnhandledError(error);
+    }
+};
+
 module.exports = Statistics;