Content settings extension API

chrome/browser/content_settings/host_content_settings_map.h

 // Copyright (c) 2011 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.
 
 // Maps hostnames to custom content settings.  Written on the UI thread and read
 // on any thread.  One instance per profile.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_
 #pragma once
@@ skipping 130 matching lines @@
   void AddExceptionForURL(const GURL& url,
                           ContentSettingsType content_type,
                           const std::string& resource_identifier,
                           ContentSetting setting);
 
   // Clears all host-specific settings for one content type.
   //
   // This should only be called on the UI thread.
   void ClearSettingsForOneType(ContentSettingsType content_type);
 
+  static bool IsSettingAllowedForType(ContentSetting setting,
+                                      ContentSettingsType content_type);
+
   // This setting trumps any host-specific settings.
   bool BlockThirdPartyCookies() const { return block_third_party_cookies_; }
   bool IsBlockThirdPartyCookiesManaged() const {
     return is_block_third_party_cookies_managed_;
   }
 
   // Sets whether we block all third-party cookies. This method must not be
   // invoked on an incognito map.
   //
   // This should only be called on the UI thread.
@@ skipping 54 matching lines @@
   mutable base::Lock lock_;
 
   // Misc global settings.
   bool block_third_party_cookies_;
   bool is_block_third_party_cookies_managed_;
 
   DISALLOW_COPY_AND_ASSIGN(HostContentSettingsMap);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_