Cocoa Page Info: Implement expanding all permissions

chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.h

 // Copyright 2014 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include <memory>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
@@ skipping 63 matching lines @@
 
   // Container for the site settings section.
   NSView* siteSettingsSectionView_;
 
   // Container for cookies info in the site settings section.
   NSView* cookiesView_;
 
   // Container for permission info in the site settings section.
   NSView* permissionsView_;
 
-  // Whether the permissionView_ shows anything.
-  BOOL permissionsPresent_;
-
-  // The link button for showing site settings.
-  NSButton* siteSettingsButton_;
+  // The link button for showing all permissions and/or showing site settings.
+  NSButton* permissionButton_;
 
   // The UI translates user actions to specific events and forwards them to the
   // |presenter_|. The |presenter_| handles these events and updates the UI.
   std::unique_ptr<WebsiteSettings> presenter_;
 
   // Bridge which implements the WebsiteSettingsUI interface and forwards
   // methods on to this class.
   std::unique_ptr<WebsiteSettingsUIBridge> bridge_;
 }
 
@@ skipping 47 matching lines @@
 
  private:
   // The WebContents the bubble UI is attached to.
   content::WebContents* web_contents_;
 
   // The Cocoa controller for the bubble UI.
   WebsiteSettingsBubbleController* bubble_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(WebsiteSettingsUIBridge);
 };