[cros] User images are updated on the login screen.

chrome/browser/resources/chromeos/login/user_pod_row.js

Index: chrome/browser/resources/chromeos/login/user_pod_row.js
diff --git a/chrome/browser/resources/chromeos/login/user_pod_row.js b/chrome/browser/resources/chromeos/login/user_pod_row.js
index 1755bdc94fb40cb2b034292f56e6037cc2fb64dd..31b826426d7de195d047f7fdd1252fa91367ae5b 100644
--- a/chrome/browser/resources/chromeos/login/user_pod_row.js
+++ b/chrome/browser/resources/chromeos/login/user_pod_row.js
@@ -175,8 +175,9 @@ cr.define('login', function() {
     set user(userDict) {
       this.user_ = userDict;
 
+      this.updateUserImage();
+
       this.nameElement.textContent = userDict.name;
-      this.imageElement.src = userDict.imageUrl;
       this.removeUserButtonElement.hidden = !userDict.canRemove;
       this.signedInIndicatorElement.hidden = !userDict.signedIn;
 
@@ -263,6 +264,16 @@ cr.define('login', function() {
     },
 
     /**
+     * Updates the image element of the user.
+     */
+    updateUserImage: function() {
+      this.imageElement.src = this.isGuest ?
+          'chrome://theme/IDR_LOGIN_GUEST' :
+          'chrome://userimage/' + this.user.emailAddress +
+              '?id=' + (new Date()).getTime();
+    },
+
+    /**
      * Focuses on input element.
      */
     focusInput: function() {
@@ -600,6 +611,18 @@ cr.define('login', function() {
     },
 
     /**
+     * Updates current image of a user.
+     * @param {string} email Email of the user for which to update the image.
+     * @public
+     */
+    updateUserImage: function(email) {
+      for (var i = 0; i < this.pods.length; ++i) {
+        if (this.pods[i].user.emailAddress == email)
+          this.pods[i].updateUserImage();
+      }
+    },
+
+    /**
      * Handler of click event.
      * @param {Event} e Click Event object.
      * @private