[Mac] DialogBrowserTest implementation to invoke Content settings bubble dialogs.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.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_COCOA_LOCATION_BAR_LOCATION_BAR_VIEW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_LOCATION_BAR_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
@@ skipping 65 matching lines @@
   OmniboxView* GetOmniboxView() override;
   LocationBarTesting* GetLocationBarForTesting() override;
 
   // Overridden from LocationBarTesting:
   int PageActionCount() override;
   int PageActionVisibleCount() override;
   ExtensionAction* GetPageAction(size_t index) override;
   ExtensionAction* GetVisiblePageAction(size_t index) override;
   void TestPageActionPressed(size_t index) override;
   bool GetBookmarkStarVisibility() override;
+  bool TestContentSettingImagePressed(size_t index) override;
 
   // Set/Get the editable state of the field.
   void SetEditable(bool editable);
   bool IsEditable();
 
   // Set the starred state of the bookmark star.
   void SetStarred(bool starred);
 
   // Set whether or not the translate icon is lit.
   void SetTranslateIconLit(bool on);
@@ skipping 236 matching lines @@
   // The security level of the location bar icon.
   security_state::SecurityLevel security_level_;
 
   // Used to schedule a task for the first run info bubble.
   base::WeakPtrFactory<LocationBarViewMac> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_LOCATION_BAR_VIEW_MAC_H_