[Extension UI Views] Add tests for clicking the different message bubble buttons

chrome/browser/ui/views/extensions/extension_message_bubble_view.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_VIEW_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/link_listener.h"
 
 class Profile;
 
 namespace views {
 class Label;
 class LabelButton;
 class View;
 }
 
 namespace extensions {
-
 class ExtensionMessageBubbleController;
+class ExtensionMessageBubbleViewBrowserTest;
 
 // This is a class that implements the UI for the bubble showing which
 // extensions look suspicious and have therefore been automatically disabled.
 class ExtensionMessageBubbleView : public views::BubbleDelegateView,
                                    public views::ButtonListener,
                                    public views::LinkListener {
  public:
   ExtensionMessageBubbleView(
       views::View* anchor_view,
       views::BubbleBorder::Arrow arrow_location,
       scoped_ptr<ExtensionMessageBubbleController> controller);
 
   // Shows the bubble after a five-second delay.
   void Show();
 
   // WidgetObserver methods.
   void OnWidgetDestroying(views::Widget* widget) override;
 
   static void set_bubble_appearance_wait_time_for_testing(int time_in_seconds);
 
  private:
+  friend class ExtensionMessageBubbleViewBrowserTest;
+
   ~ExtensionMessageBubbleView() override;
 
   void ShowBubble();
 
   // views::BubbleDelegateView overrides:
   void Init() override;
 
   // views::ButtonListener implementation.
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
@@ skipping 17 matching lines @@
   views::LabelButton* action_button_;
   views::LabelButton* dismiss_button_;
 
   // All actions (link, button, esc) close the bubble, but we need to
   // make sure we don't send dismiss if the link was clicked.
   bool link_clicked_;
   bool action_taken_;
 
   base::WeakPtrFactory<ExtensionMessageBubbleView> weak_factory_;
 
+  static ExtensionMessageBubbleView* active_bubble_for_testing_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionMessageBubbleView);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_VIEW_H_