Bug 714071 - The Show Statistics setting is not preserved when toggling the full screen mode. r=neil

toolkit/content/widgets/videocontrols.xml

@@ -448,6 +448,10 @@
                     this.controlBar.hidden = true;
                     this.adjustControlSize();
 
+                    // Preserve Statistics when toggling fullscreen mode due to bug 714071.
+                    if (this.video.mozMediaStatisticsShowing)
+                        this.showStatistics(true);
+
                     this._handleCustomEventsBound = this.handleCustomEvents.bind(this);
                     this.video.addEventListener("media-showStatistics", this._handleCustomEventsBound, false, true);
                 },