Allow script to request durable storage permission (chrome side)

components/content_settings/core/browser/cookie_settings.cc

 // 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.
 
 #include "components/content_settings/core/browser/cookie_settings.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "components/content_settings/core/browser/content_settings_utils.h"
@@ skipping 57 matching lines @@
 }
 
 bool CookieSettings::IsCookieSessionOnly(const GURL& origin) const {
   ContentSetting setting = GetCookieSetting(origin, origin, true, NULL);
   DCHECK(IsValidSetting(setting));
   return (setting == CONTENT_SETTING_SESSION_ONLY);
 }
 
 void CookieSettings::GetCookieSettings(
     ContentSettingsForOneType* settings) const {
+  // TODO(dgrogan): Why is this returning a value in a void function?
   return host_content_settings_map_->GetSettingsForOneType(
       CONTENT_SETTINGS_TYPE_COOKIES, std::string(), settings);
 }
 
 void CookieSettings::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterBooleanPref(
       prefs::kBlockThirdPartyCookies, false,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 }
@@ skipping 18 matching lines @@
 }
 
 void CookieSettings::ResetCookieSetting(
     const ContentSettingsPattern& primary_pattern,
     const ContentSettingsPattern& secondary_pattern) {
   host_content_settings_map_->SetContentSetting(
       primary_pattern, secondary_pattern, CONTENT_SETTINGS_TYPE_COOKIES,
       std::string(), CONTENT_SETTING_DEFAULT);
 }
 
+void CookieSettings::GetDurableSettings(
+    ContentSettingsForOneType* settings) const {
+  // TODO(dgrogan): The std::string() is cargo culted and is a
+  // "resource_identifier". The hell is that?
+  host_content_settings_map_->GetSettingsForOneType(
+      CONTENT_SETTINGS_TYPE_DURABLE_STORAGE, std::string(), settings);
+}
+
 void CookieSettings::ShutdownOnUIThread() {
   DCHECK(thread_checker_.CalledOnValidThread());
   pref_change_registrar_.RemoveAll();
 }
 
 ContentSetting CookieSettings::GetCookieSetting(const GURL& url,
                                                 const GURL& first_party_url,
                                                 bool setting_cookie,
                                                 SettingSource* source) const {
   if (HostContentSettingsMap::ShouldAllowAllContent(
@@ skipping 41 matching lines @@
   block_third_party_cookies_ = pref_change_registrar_.prefs()->GetBoolean(
       prefs::kBlockThirdPartyCookies);
 }
 
 bool CookieSettings::ShouldBlockThirdPartyCookies() const {
   base::AutoLock auto_lock(lock_);
   return block_third_party_cookies_;
 }
 
 }  // namespace content_settings