Hide the password bubble when the underlying ManagePasswordsUIController changes its state.

chrome/browser/ui/passwords/manage_passwords_icon_mock.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/passwords/manage_passwords_icon_mock.h"
 
 ManagePasswordsIconMock::ManagePasswordsIconMock() {
 }
 
 ManagePasswordsIconMock::~ManagePasswordsIconMock() {
 }
 
 void ManagePasswordsIconMock::UpdateVisibleUI() {
 }
+
+void ManagePasswordsIconMock::OnChangingState() {
+}