Ensure tests have an active task runner

chrome/browser/ui/passwords/password_manager_presenter_unittest.cc

 // Copyright 2013 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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/mock_password_store_service.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/ui/passwords/password_manager_presenter.h"
 #include "chrome/browser/ui/passwords/password_ui_view.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/password_manager/core/browser/mock_password_store.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ASCIIToUTF16;
 using testing::Eq;
 using testing::Property;
 
 class MockPasswordUIView : public PasswordUIView {
  public:
   explicit MockPasswordUIView(Profile* profile)
@@ skipping 37 matching lines @@
     mock_controller_.reset(new MockPasswordUIView(&profile_));
   }
   void AddPasswordEntry(const GURL& origin,
                         const std::string& user_name,
                         const std::string& password);
   void AddPasswordException(const GURL& origin);
   void UpdateLists();
   MockPasswordUIView* GetUIController() { return mock_controller_.get(); }
 
  private:
+  content::TestBrowserThreadBundle thread_bundle_;
   TestingProfile profile_;
   scoped_ptr<MockPasswordUIView> mock_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordManagerPresenterTest);
 };
 
 void PasswordManagerPresenterTest::AddPasswordEntry(
     const GURL& origin,
     const std::string& user_name,
     const std::string& password) {
@@ skipping 60 matching lines @@
       SetPasswordList(
           Property(&ScopedVector<autofill::PasswordForm>::size, Eq(2u)),
           testing::_));
   EXPECT_CALL(*GetUIController(),
               SetPasswordExceptionList(Property(
                   &ScopedVector<autofill::PasswordForm>::size, Eq(1u))));
   UpdateLists();
 }
 
 }  // namespace