Fix crash on a page navigation when Update Password bubble is active.

chrome/browser/ui/passwords/manage_passwords_ui_controller.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_ui_controller.h"
 
 #include "base/auto_reset.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
@@ skipping 370 matching lines @@
 }
 
 void ManagePasswordsUIController::OnNopeUpdateClicked() {
   password_manager::PasswordFormManager* form_manager =
       passwords_data_.form_manager();
   DCHECK(form_manager);
   form_manager->OnNopeUpdateClicked();
 }
 
 void ManagePasswordsUIController::OnNoInteractionOnUpdate() {
+  if (state() != password_manager::ui::PENDING_PASSWORD_UPDATE_STATE) {
+    // Do nothing if the state was changed. It can happen for example when the
+    // update bubble is active and a page navigation happens.
+    return;
+  }
   password_manager::PasswordFormManager* form_manager =
       passwords_data_.form_manager();
   DCHECK(form_manager);
   form_manager->OnNoInteractionOnUpdate();
 }
 
 void ManagePasswordsUIController::OnBubbleHidden() {
   // Avoid using |state()| which is overridden for some unit tests.
   if (state() == password_manager::ui::CREDENTIAL_REQUEST_STATE ||
       state() == password_manager::ui::CONFIRMATION_STATE ||
@@ skipping 18 matching lines @@
   updater->ExecuteCommand(IDC_MANAGE_PASSWORDS_FOR_PAGE);
 #endif
 }
 
 void ManagePasswordsUIController::WebContentsDestroyed() {
   password_manager::PasswordStore* password_store =
       GetPasswordStore(web_contents());
   if (password_store)
     password_store->RemoveObserver(this);
 }