Do not give instant focus if a view's toplevelwidget is not active

chrome/browser/ui/views/apps/app_info_dialog/app_info_dialog_ash_unittest.cc

 // Copyright 2015 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 "ash/test/ash_test_base.h"
 #include "base/macros.h"
 #include "chrome/browser/extensions/test_extension_environment.h"
 #include "chrome/browser/ui/views/apps/app_info_dialog/app_info_dialog_views.h"
 #include "chrome/browser/ui/views/apps/app_info_dialog/app_info_footer_panel.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 27 matching lines @@
         base::MakeUnique<arc::ArcAuthService>(bridge_service_.get());
     auth_service_->OnPrimaryUserProfilePrepared(
         extension_environment_.profile());
 #endif
     widget_ = views::DialogDelegate::CreateDialogWidget(
         new views::DialogDelegateView(), CurrentContext(), NULL);
     dialog_ = new AppInfoDialog(
         widget_->GetNativeWindow(), extension_environment_.profile(),
         extension_environment_.MakePackagedApp(kTestExtensionId, true).get());
     widget_->GetContentsView()->AddChildView(dialog_);
+    widget_->Show();
   }
 
   void TearDown() override {
     widget_->CloseNow();
 #if defined(OS_CHROMEOS)
     if (auth_service_)
       auth_service_->Shutdown();
 #endif
     ash::test::AshTestBase::TearDown();
   }
@@ skipping 27 matching lines @@
   dialog_footer->SetPinnedToShelf(true);
   EXPECT_FALSE(pin_button->visible());
   EXPECT_TRUE(unpin_button->visible());
   EXPECT_TRUE(unpin_button->HasFocus());
 
   dialog_footer->SetPinnedToShelf(false);
   EXPECT_TRUE(pin_button->visible());
   EXPECT_FALSE(unpin_button->visible());
   EXPECT_TRUE(pin_button->HasFocus());
 }