Implemented system tray UI for new account management.

ash/session_state_delegate_stub.cc

Index: ash/session_state_delegate_stub.cc
diff --git a/ash/session_state_delegate_stub.cc b/ash/session_state_delegate_stub.cc
index dcbd346dfd478123008ebb3f243995d8b1be8c96..51eeb91c72725ecfbd8898945dcf2ecc9aa9343b 100644
--- a/ash/session_state_delegate_stub.cc
+++ b/ash/session_state_delegate_stub.cc
@@ -74,6 +74,11 @@ const base::string16 SessionStateDelegateStub::GetUserDisplayName(
   return base::UTF8ToUTF16("stub-user");
 }
 
+const base::string16 SessionStateDelegateStub::GetUserGivenName(
+    MultiProfileIndex index) const {
+  return base::UTF8ToUTF16("Stub");
+}
+
 const std::string SessionStateDelegateStub::GetUserEmail(
     MultiProfileIndex index) const {
   return "stub-user@domain.com";