DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/location_bar/location_bar.h

Index: chrome/browser/ui/location_bar/location_bar.h
diff --git a/chrome/browser/ui/location_bar/location_bar.h b/chrome/browser/ui/location_bar/location_bar.h
index f566d39e8f42939c83f747a570989d3e2d1998fe..96fcda06fb2c7a36b3b33ffeed49793230753806 100644
--- a/chrome/browser/ui/location_bar/location_bar.h
+++ b/chrome/browser/ui/location_bar/location_bar.h
@@ -12,6 +12,7 @@
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
+class ContentSettingImageModel;
 class ExtensionAction;
 class LocationBarTesting;
 class OmniboxView;
@@ -129,6 +130,13 @@ class LocationBarTesting {
   // Returns whether or not the bookmark star decoration is visible.
   virtual bool GetBookmarkStarVisibility() = 0;
 
+  // Returns the number of ContentSettingImageModels.
+  virtual int ContentSettingImageModelCount() = 0;
+
+  // Returns the ContentSettingImageModel at |index|.
+  virtual ContentSettingImageModel*
+      GetContentSettingImageModel(size_t index) = 0;
+
  protected:
   virtual ~LocationBarTesting() {}
 };