[Media Router] Show user email in header if cloud sink is present.

chrome/browser/resources/media_router/media_router_ui_interface.js

Index: chrome/browser/resources/media_router/media_router_ui_interface.js
diff --git a/chrome/browser/resources/media_router/media_router_ui_interface.js b/chrome/browser/resources/media_router/media_router_ui_interface.js
index 35e8afbffc77111b409eafd6784c3cff5fc79889..1cc270ca9f0cc0667c937359016367aecc044301 100644
--- a/chrome/browser/resources/media_router/media_router_ui_interface.js
+++ b/chrome/browser/resources/media_router/media_router_ui_interface.js
@@ -10,6 +10,9 @@ cr.define('media_router.ui', function() {
   // The media-router-container element.
   var container = null;
 
+  // The media-router-header element.
+  var header = null;
+
   /**
    * Handles response of previous create route attempt.
    *
@@ -33,12 +36,14 @@ cr.define('media_router.ui', function() {
   }
 
   /**
-   * Sets |container|.
+   * Sets |container| and |header|.
    *
    * @param {!MediaRouterContainerElement} mediaRouterContainer
+   * @param {!MediaRouterHeaderElement} mediaRouterHeader
    */
-  function setContainer(mediaRouterContainer) {
+  function setElements(mediaRouterContainer, mediaRouterHeader) {
     container = mediaRouterContainer;
+    header = mediaRouterHeader;
   }
 
   /**
@@ -51,6 +56,9 @@ cr.define('media_router.ui', function() {
    *          routes: !Array<!media_router.Route>,
    *          castModes: !Array<!media_router.CastMode>,
    *          wasFirstRunFlowAcknowledged: boolean,
+   *          userEmail: string,
+   *          userDomain: string,
+   *          identityVisibility: number,
    *          showFirstRunFlowCloudPref: boolean}} data
    * Parameters in data:
    *   firstRunFlowCloudPrefLearnMoreUrl - url to open when the cloud services
@@ -63,6 +71,9 @@ cr.define('media_router.ui', function() {
    *   castModes - list of available cast modes.
    *   wasFirstRunFlowAcknowledged - true if first run flow was previously
    *       acknowledged by user.
+   *   userEmail - The email of the user if the user is signed in.
+   *   userDomain - The domain of the user if the user is signed in.
+   *   identityVisibility - State of showing email and user domain.
    *   showFirstRunFlowCloudPref - true if the cloud pref option should be
    *       shown.
    */
@@ -75,6 +86,10 @@ cr.define('media_router.ui', function() {
     container.castModeList = data['castModes'];
     container.allSinks = data['sinks'];
     container.routeList = data['routes'];
+    container.userDomain = data['userDomain'];
+    container.showDomain = data['identityVisibility'] == 2;
+    header.userEmail = data['userEmail'];
+    header.showEmail = data['identityVisibility'] > 0;
     container.showFirstRunFlowCloudPref =
         data['showFirstRunFlowCloudPref'];
     // Some users acknowledged the first run flow before the cloud prefs
@@ -106,12 +121,19 @@ cr.define('media_router.ui', function() {
   }
 
   /**
-   * Sets the list of discovered sinks.
+   * Sets the list of discovered sinks along with properties of whether to hide
+   * identity of the user email and domain.
    *
-   * @param {!Array<!media_router.Sink>} sinkList
+   * @param {{sinks: !Array<!media_router.Sink>,
+   *          identityVisibility: number}} data
+   * Parameters in data:
+   *   sinks - list of sinks to be displayed.
+   *   identityVisibility - State of showing email and user domain.
    */
-  function setSinkList(sinkList) {
-    container.allSinks = sinkList;
+  function setSinkListAndIdentityVisibility(data) {
+    container.allSinks = data['sinks'];
+    container.showDomain = data['identityVisibility'] == 2;
+    header.showEmail = data['identityVisibility'] > 0;
   }
 
   /**