DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/views/location_bar/content_setting_image_view.h

 // Copyright (c) 2012 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_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 29 matching lines @@
                                 public views::WidgetObserver {
  public:
   ContentSettingImageView(std::unique_ptr<ContentSettingImageModel> image_model,
                           LocationBarView* parent,
                           const gfx::FontList& font_list);
   ~ContentSettingImageView() override;
 
   // Updates the decoration from the shown WebContents.
   void Update(content::WebContents* web_contents);
 
+  // For testing. Return this view's ContentSettingImageModel.

[Peter Kasting, 2017/02/06 21:14:25]

Nit: Returns (2 places)

"For testing" sounds like this must only be used in tests.  Is that what you
intended to imply?  You might want "Useful in tests" at the end of the comment
instead, if not, just to sound a bit milder.

Whatever you do, be consistent here and on the accessor you add below.

+  ContentSettingImageModel* content_setting_image_model() {
+    return content_setting_image_model_.get();
+  }
+
  private:
+  friend class ContentSettingBubbleDialogTest;
+
   // The total animation time, including open and close as well as an
   // intervening "stay open" period.
   static const int kAnimationDurationMS;
 
   // IconLabelBubbleView:
   const char* GetClassName() const override;
   void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
@@ skipping 12 matching lines @@
   void AnimationProgressed(const gfx::Animation* animation) override;
   void AnimationCanceled(const gfx::Animation* animation) override;
 
   // views::WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;
   void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
 
   // Updates the image and tooltip to match the current model state.
   void UpdateImage();
 
+  // Return the currently active bubble dialog. Used for testing.
+  views::BubbleDialogDelegateView* bubble_view() {
+    return bubble_view_;
+  }
+
   LocationBarView* parent_;  // Weak, owns us.
   std::unique_ptr<ContentSettingImageModel> content_setting_image_model_;
   gfx::SlideAnimation slide_animator_;
   bool pause_animation_;
   double pause_animation_state_;
   views::BubbleDialogDelegateView* bubble_view_;
 
   // This is used to check if the bubble was showing during the mouse pressed
   // event. If this is true then the mouse released event is ignored to prevent
   // the bubble from reshowing.
   bool suppress_mouse_released_action_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingImageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_