Auto select the connection tab of the Website Settings UI in case of an https error or mixed content

chrome/browser/ui/website_settings/website_settings_ui.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_WEBSITE_SETTINGS_WEBSITE_SETTINGS_UI_H_
 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_WEBSITE_SETTINGS_UI_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
 // interface of the website settings UI. The website settings UI displays
 // information and controls for site specific data (local stored objects like
 // cookies), site specific permissions (location, popup, plugin, etc.
 // permissions) and site specific information (identity, connection status,
 // etc.).
 class WebsiteSettingsUI {
  public:
   // The Website Settings UI contains several tabs. Each tab is assiciated with
   // a unique tab id. The enum |TabId| contains all the ids for the tabs.
   enum TabId {
-    TAB_ID_PERMISSIONS,
+    TAB_ID_PERMISSIONS = 0,
     TAB_ID_CONNECTION,
+    NUM_TAB_IDS,
   };
 
   // |CookieInfo| contains information about the cookies from a specific source.
   // A source can for example be a specific origin or an entire domain.
   struct CookieInfo {
     CookieInfo();
 
     // String describing the cookie source.
     std::string cookie_source;
     // The number of allowed cookies.
@@ skipping 83 matching lines @@
   virtual void SetPermissionInfo(
       const PermissionInfoList& permission_info_list) = 0;
 
   // Sets site identity information.
   virtual void SetIdentityInfo(const IdentityInfo& identity_info) = 0;
 
   // Sets the first visited data. |first_visit| can be an empty string.
   virtual void SetFirstVisit(const string16& first_visit) = 0;
 
   // Selects the tab with the given |tab_id|.
-  // TODO(markusheintz): Implement this on other platforms and make it a pure
-  // virtual function.
-  virtual void SetSelectedTab(TabId tab_id) {}
+  virtual void SetSelectedTab(TabId tab_id) = 0;
 };
 
 typedef WebsiteSettingsUI::CookieInfoList CookieInfoList;
 typedef WebsiteSettingsUI::PermissionInfoList PermissionInfoList;
 
 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_WEBSITE_SETTINGS_UI_H_