Add a method to the HostContentSettings map to return the |Value| of a content setting

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
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
+#include "base/values.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/content_settings/content_settings_pattern.h"
 #include "chrome/browser/content_settings/content_settings_observer.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/common/content_settings.h"
 #include "content/browser/browser_thread.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 
 namespace content_settings {
@@ skipping 32 matching lines @@
   ContentSetting GetDefaultContentSetting(
       ContentSettingsType content_type) const;
 
   // Returns the default settings for all content types.
   //
   // This may be called on any thread.
   ContentSettings GetDefaultContentSettings() const;
 
   // Returns a single ContentSetting which applies to the given URLs. Note that
   // certain internal schemes are whitelisted. For ContentSettingsTypes that
   // require an resource identifier to be specified, the |resource_identifier|

[wtc, 2011/09/02 18:53:22]

Nit: an resource => a resource

[markusheintz_, 2011/09/02 19:39:12]

Done.

   // must be non-empty.
   //
   // This may be called on any thread.
   ContentSetting GetContentSetting(
       const GURL& primary_url,
       const GURL& secondary_url,
       ContentSettingsType content_type,
       const std::string& resource_identifier) const;
 
+  // Returns a content setting |Value| which applies to the given URLs. Note
+  // that certain internal schemes are whitelisted. For ContentSettingsTypes
+  // that require a resource identifier to be specified, the
+  // |resource_identifier| must be non-empty. Ownership of the returned |Value|
+  // is transfered to the caller.
+  //
+  // This may be called on any thread.
+  Value* GetContentSettingValue(
+      const GURL& primary_url,
+      const GURL& secondary_url,
+      ContentSettingsType content_type,
+      const std::string& resource_identifier) const;
+
   // Gets the content setting for cookies. This takes the third party cookie
   // flag into account, and therefore needs to know whether we read or write a
   // cookie.
   //
   // This may be called on any thread.
   ContentSetting GetCookieContentSetting(
       const GURL& url,
       const GURL& first_party_url,
       bool setting_cookie) const;
 
@@ skipping 153 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_