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

chrome/browser/chromeos/login/webui_login_display.cc

Index: chrome/browser/chromeos/login/webui_login_display.cc
diff --git a/chrome/browser/chromeos/login/webui_login_display.cc b/chrome/browser/chromeos/login/webui_login_display.cc
index 5c3e562fe138db309ce92ba8d03011bae9391d9a..146f1ea5e6b474539cd755a52a0552858844db5e 100644
--- a/chrome/browser/chromeos/login/webui_login_display.cc
+++ b/chrome/browser/chromeos/login/webui_login_display.cc
@@ -56,8 +56,8 @@ void WebUILoginDisplay::OnBeforeUserRemoved(const std::string& username) {
 }
 
 void WebUILoginDisplay::OnUserImageChanged(const User& user) {
-  // TODO(rharrison): Update the user in the user vector
-  // TODO(rharrison): Push the change to WebUI Login screen
+  DCHECK(webui_handler_);
+  webui_handler_->OnUserImageChanged(user);
 }
 
 void WebUILoginDisplay::OnUserRemoved(const std::string& username) {