Add icon()

qutebrowser/browser/tab.py

@@ -186,6 +186,9 @@ class AbstractTab(QWidget):
     def zoom_factor(self):
         raise NotImplementedError
 
+    def icon(self):
+        raise NotImplementedError
+
     def __repr__(self):
         url = utils.elide(self.cur_url.toDisplayString(QUrl.EncodeUnicode),
                           100)

qutebrowser/browser/webengine/webenginetab.py

@@ -121,6 +121,9 @@ class WebEngineViewTab(tab.AbstractTab):
     def title(self):
         return self._widget.title()
 
+    def icon(self):
+        return self._widget.icon()
+
     def _connect_signals(self):
         view = self._widget
         page = view.page()

qutebrowser/browser/webkit/webkittab.py

@@ -105,6 +105,9 @@ class WebViewTab(tab.AbstractTab):
         else:
             callback(frame.toHtml())
 
+    def icon(self):
+        return self._widget.icon()
+
     def shutdown(self):
         self._widget.shutdown()