fix(document.title): use URL decoded room name.

react/features/base/conference/functions.js

@@ -167,6 +167,17 @@ export function getConferenceName(stateful: Function | Object): string {
         || safeStartCase(safeDecodeURIComponent(room));
 }
 
+/**
+ * Returns the name of the conference formated for the title.
+ *
+ * @param {Function | Object} stateful - Reference that can be resolved to Redux state with the {@code toState}
+ * function.
+ * @returns {string} - The name of the conference formated for the title.
+ */
+export function getConferenceNameForTitle(stateful: Function | Object) {
+    return safeStartCase(safeDecodeURIComponent(toState(stateful)['features/base/conference'].room));
+}
+
 /**
 * Returns the UTC timestamp when the first participant joined the conference.
 *

react/features/conference/components/web/Conference.js

@@ -8,7 +8,7 @@ import VideoLayout from '../../../../../modules/UI/videolayout/VideoLayout';
 import { connect, disconnect } from '../../../base/connection';
 import { translate } from '../../../base/i18n';
 import { connect as reactReduxConnect } from '../../../base/redux';
-import { getBackendSafeRoomName } from '../../../base/util';
+import { getConferenceNameForTitle } from '../../../base/conference';
 import { Chat } from '../../../chat';
 import { Filmstrip } from '../../../filmstrip';
 import { CalleeInfoContainer } from '../../../invite';
@@ -264,14 +264,11 @@ class Conference extends AbstractConference<Props, *> {
  * @returns {Props}
  */
 function _mapStateToProps(state) {
-    const currentLayout = getCurrentLayout(state);
-    const roomName = getBackendSafeRoomName(state['features/base/conference'].room);
-
     return {
         ...abstractMapStateToProps(state),
         _iAmRecorder: state['features/base/config'].iAmRecorder,
-        _layoutClassName: LAYOUT_CLASSNAMES[currentLayout],
-        _roomName: roomName
+        _layoutClassName: LAYOUT_CLASSNAMES[getCurrentLayout(state)],
+        _roomName: getConferenceNameForTitle(state)
     };
 }