Backend changes for notifications content settings.

chrome/browser/notifications/desktop_notification_service.h

Index: chrome/browser/notifications/desktop_notification_service.h
diff --git a/chrome/browser/notifications/desktop_notification_service.h b/chrome/browser/notifications/desktop_notification_service.h
index e2be439cbdcbbfbe250a264741ab2ccb68073f3d..3f97425003bc76c3a7eb08a29eb6b40cb786fb44 100644
--- a/chrome/browser/notifications/desktop_notification_service.h
+++ b/chrome/browser/notifications/desktop_notification_service.h
@@ -86,9 +86,26 @@ class DesktopNotificationService : public NotificationObserver {
   static string16 CreateDataUrl(const GURL& icon_url, const string16& title,
                                 const string16& body);
 
+  // The default content setting determines how to handle origins that haven't
+  // been allowed or denied yet.
   ContentSetting GetDefaultContentSetting();
   void SetDefaultContentSetting(ContentSetting setting);
 
+  // Returns all origins that explicitly have been allowed.
+  std::vector<GURL> GetAllowedOrigins();
+
+  // Returns all origins that explicitly have been denied.
+  std::vector<GURL> GetBlockedOrigins();
+
+  // Removes an origin from the "explicitly allowed" set.
+  void ResetAllowedOrigin(const GURL& origin);
+
+  // Removes an origin from the "explicitly denied" set.
+  void ResetBlockedOrigin(const GURL& origin);
+
+  // Clears the sets of explicitly allowed and denied origins.
+  void ResetAllOrigins();
+
   static void RegisterUserPrefs(PrefService* user_prefs);
  private:
   void InitPrefs();
@@ -103,6 +120,8 @@ class DesktopNotificationService : public NotificationObserver {
   // itself when dealing with extensions.
   std::wstring DisplayNameForOrigin(const GURL& origin);
 
+  ContentSetting GetContentSetting(const GURL& origin);
+
   // The profile which owns this object.
   Profile* profile_;