cros: Fix bubble dialog shows on desktop when parent window is invisible

chrome/browser/ui/views/toolbar/toolbar_actions_bar_bubble_views_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 "chrome/browser/ui/views/toolbar/toolbar_actions_bar_bubble_views.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 44 matching lines @@
     anchor_widget_.reset();
     views::ViewsTestBase::TearDown();
   }
 
   std::unique_ptr<views::Widget> CreateAnchorWidget() {
     std::unique_ptr<views::Widget> anchor_widget(new views::Widget());
     views::Widget::InitParams params =
         CreateParams(views::Widget::InitParams::TYPE_WINDOW);
     params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
     anchor_widget->Init(params);
+    anchor_widget->Show();
     return anchor_widget;
   }
 
   void ShowBubble(TestToolbarActionsBarBubbleDelegate* delegate) {
     ASSERT_TRUE(delegate);
     ASSERT_FALSE(bubble_widget_);
     ASSERT_FALSE(bubble_);
     anchor_widget_ = CreateAnchorWidget();
     bool anchored_to_action = false;
     bubble_ = new ToolbarActionsBarBubbleViews(
@@ skipping 340 matching lines @@
     } else {
       EXPECT_TRUE(gfx::test::AreImagesEqual(
           gfx::Image(static_cast<const views::ImageView*>(v)->GetImage()),
           gfx::Image(gfx::CreateVectorIcon(ui::kBusinessIcon, kIconSize,
                                            gfx::kChromeIconGrey))));
     }
   }
 
   CloseBubble();
 }