Unify the "get" and "set" cookie access settings.

chrome/browser/extensions/api/content_settings/content_settings_api.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 "chrome/browser/extensions/api/content_settings/content_settings_api.h"
 
 #include <memory>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 135 matching lines @@
     cookie_settings =
         CookieSettingsFactory::GetForProfile(profile->GetOffTheRecordProfile())
             .get();
   } else {
     map = HostContentSettingsMapFactory::GetForProfile(profile);
     cookie_settings = CookieSettingsFactory::GetForProfile(profile).get();
   }
 
   ContentSetting setting;
   if (content_type == CONTENT_SETTINGS_TYPE_COOKIES) {
-    // TODO(jochen): Do we return the value for setting or for reading cookies?
     cookie_settings->GetCookieSetting(primary_url, secondary_url, nullptr,
-                                      nullptr /* reading_setting */, &setting);
+                                      &setting);
   } else {
     setting = map->GetContentSetting(primary_url, secondary_url, content_type,
                                      resource_identifier);
   }
 
   std::unique_ptr<base::DictionaryValue> result(new base::DictionaryValue());
   std::string setting_string =
       content_settings::ContentSettingToString(setting);
   DCHECK(!setting_string.empty());
   result->SetString(keys::kContentSettingKey, setting_string);
@@ skipping 140 matching lines @@
   SetResult(std::move(list));
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE, base::Bind(
           &ContentSettingsContentSettingGetResourceIdentifiersFunction::
           SendResponse,
           this,
           true));
 }
 
 }  // namespace extensions