Implemented system tray UI for new account management.

ash/test/test_session_state_delegate.cc

Index: ash/test/test_session_state_delegate.cc
diff --git a/ash/test/test_session_state_delegate.cc b/ash/test/test_session_state_delegate.cc
index 491408e32aac69d591b5bf9715c9c4dd6f10aed1..c4f1ea5b756da14baa03aead6537f483fdffe936 100644
--- a/ash/test/test_session_state_delegate.cc
+++ b/ash/test/test_session_state_delegate.cc
@@ -134,6 +134,11 @@ const base::string16 TestSessionStateDelegate::GetUserDisplayName(
   return base::UTF8ToUTF16("Über tray Über tray Über tray Über tray");
 }
 
+const base::string16 TestSessionStateDelegate::GetUserGivenName(
+    MultiProfileIndex index) const {
+  return base::UTF8ToUTF16("Über Über Über Über");
+}
+
 const std::string TestSessionStateDelegate::GetUserEmail(
     MultiProfileIndex index) const {
   switch (index) {