Show media router toolbar icon ephemerally for active local routes and issues

chrome/browser/media/router/media_router_ui_service_factory_unittest.cc

 // Copyright 2016 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 <memory>
 
 #include "chrome/browser/media/router/media_router_ui_service.h"
 #include "chrome/browser/media/router/media_router_ui_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_model.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_model_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media_router {
 
 class MediaRouterUIServiceFactoryUnitTest : public testing::Test {
  public:
   MediaRouterUIServiceFactoryUnitTest() {}
   ~MediaRouterUIServiceFactoryUnitTest() override {}
 
   void SetUp() override {
+    MediaRouterUIServiceFactory::SetUseInTests();
+
     TestingProfile::Builder builder;
     // MediaRouterUIService instantiates MediaRouterActionController, which
     // requires ToolbarActionsModel.
     builder.AddTestingFactory(ToolbarActionsModelFactory::GetInstance(),
                               BuildFakeToolBarActionsModel);
     profile_ = builder.Build();
   }
 
   static std::unique_ptr<KeyedService> BuildFakeToolBarActionsModel(
       content::BrowserContext* context) {
     return std::unique_ptr<ToolbarActionsModel>(
         new ToolbarActionsModel(static_cast<Profile*>(context), nullptr));
   }
 
  protected:
   content::TestBrowserThreadBundle thread_bundle_;
   Profile* profile() { return profile_.get(); }
 
  private:
   std::unique_ptr<Profile> profile_;
 };
 
 TEST_F(MediaRouterUIServiceFactoryUnitTest, CreateService) {
   MediaRouterUIService* service =
       MediaRouterUIServiceFactory::GetForBrowserContext(profile());
   ASSERT_TRUE(service);
 }
 
 }  // namespace media_router