DialogBrowserTest implementation to invoke Content settings bubble dialogs.

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

Index: chrome/browser/ui/views/location_bar/location_bar_view.h
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.h b/chrome/browser/ui/views/location_bar/location_bar_view.h
index f525808c5e5f271c1d329e677de2cea3d1933c35..4b1efcedaf645740243ddba2feb6d65f2f8a5235 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.h
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.h
@@ -254,6 +254,7 @@ class LocationBarView : public LocationBar,
  private:
   using ContentSettingViews = std::vector<ContentSettingImageView*>;
 
+  friend class ContentSettingBubbleDialogTest;
   friend class PageActionImageView;
   friend class PageActionWithBadgeView;
   using PageActions = std::vector<ExtensionAction*>;
@@ -361,6 +362,8 @@ class LocationBarView : public LocationBar,
   ExtensionAction* GetVisiblePageAction(size_t index) override;
   void TestPageActionPressed(size_t index) override;
   bool GetBookmarkStarVisibility() override;
+  int ContentSettingImageModelCount() override;
+  ContentSettingImageModel* GetContentSettingImageModel(size_t index) override;
 
   // views::View:
   const char* GetClassName() const override;
@@ -392,6 +395,11 @@ class LocationBarView : public LocationBar,
   // TemplateURLServiceObserver:
   void OnTemplateURLServiceChanged() override;
 
+  // For a given ContentSettingImageModel, return the corresponding
+  // ContentSettingImageView.
+  ContentSettingImageView* GetContentSettingImageViewFromImageModel(
+      ContentSettingImageModel* image_model);

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

Nit: Following convention in this file, place non-overrides above overrides.

+
   // The Browser this LocationBarView is in.  Note that at least
   // chromeos::SimpleWebViewDialog uses a LocationBarView outside any browser
   // window, so this may be NULL.