DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/content_settings/content_setting_image_model.h

 // Copyright (c) 2011 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_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_
 #define CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
@@ skipping 46 matching lines @@
       content::WebContents* web_contents);
 #endif
 
   gfx::Image GetIcon(SkColor nearby_text_color) const;
 
   // Returns the resource ID of a string to show when the icon appears, or 0 if
   // we don't wish to show anything.
   int explanatory_string_id() const { return explanatory_string_id_; }
   const base::string16& get_tooltip() const { return tooltip_; }
 
+  // For testing only. If this image model has a content type, it is returned
+  // here. Otherwise, CONTENT_SETTINGS_TYPE_DEFAULT is returned.
+  virtual ContentSettingsType GetContentType();

[tapted, 2017/02/03 23:07:02]

This still violates
https://chromium.googlesource.com/chromium/src/+/master/styleguide/c++/c++.md...,
so we should try harder to avoid it.

+
  protected:
   ContentSettingImageModel();
 
   void set_icon_by_vector_id(gfx::VectorIconId id, gfx::VectorIconId badge_id) {
     icon_id_ = id;
     icon_badge_id_ = badge_id;
   }
 
   void set_visible(bool visible) { is_visible_ = visible; }
   void set_explanatory_string_id(int text_id) {
@@ skipping 18 matching lines @@
   explicit ContentSettingSimpleImageModel(ContentSettingsType content_type);
 
   // ContentSettingImageModel implementation.
   ContentSettingBubbleModel* CreateBubbleModel(
       ContentSettingBubbleModel::Delegate* delegate,
       content::WebContents* web_contents,
       Profile* profile) override;
   bool ShouldRunAnimation(content::WebContents* web_contents) override;
   void SetAnimationHasRun(content::WebContents* web_contents) override;
 
+  ContentSettingsType GetContentType() override;
+
   // Factory method. Used only for testing.
   static std::unique_ptr<ContentSettingImageModel>
   CreateForContentTypeForTesting(ContentSettingsType content_type);
 
- protected:
-  ContentSettingsType content_type() { return content_type_; }
-
  private:
   ContentSettingsType content_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingSimpleImageModel);
 };
 
 // Image model for subresource filter icons in the location bar.
 class ContentSettingSubresourceFilterImageModel
     : public ContentSettingImageModel {
  public:
   ContentSettingSubresourceFilterImageModel();
 
   void UpdateFromWebContents(content::WebContents* web_contents) override;
 
   ContentSettingBubbleModel* CreateBubbleModel(
       ContentSettingBubbleModel::Delegate* delegate,
       content::WebContents* web_contents,
       Profile* profile) override;
 
   bool ShouldRunAnimation(content::WebContents* web_contents) override;
   void SetAnimationHasRun(content::WebContents* web_contents) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentSettingSubresourceFilterImageModel);
 };
 
 #endif  // CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_