[Policy Experimental] Add policies to allow Cookies and Pop-ups exceptions.

components/content_settings/core/common/content_settings.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.
 
 #ifndef COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 10 matching lines @@
 enum ContentSetting {
   CONTENT_SETTING_DEFAULT = 0,
   CONTENT_SETTING_ALLOW,
   CONTENT_SETTING_BLOCK,
   CONTENT_SETTING_ASK,
   CONTENT_SETTING_SESSION_ONLY,
   CONTENT_SETTING_DETECT_IMPORTANT_CONTENT,
   CONTENT_SETTING_NUM_SETTINGS
 };
 
+enum ContentSettingsUserExceptionsUsage {
+  USER_EXCEPTIONS_DEFAULT = 137,  // DO NOT SUBMIT(huangs): Make this 0.
+  USER_EXCEPTIONS_ALLOW,
+};
+
 // Range-checked conversion of an int to a ContentSetting, for use when reading
 // prefs off disk.
 ContentSetting IntToContentSetting(int content_setting);
 
 // Converts a given content setting to its histogram value, for use when saving
 // content settings types to a histogram.
 int ContentSettingTypeToHistogramValue(ContentSettingsType content_setting,
                                        size_t* num_values);
 
 struct ContentSettingPatternSource {
@@ skipping 42 matching lines @@
 // contains the patterns of the appling rule.
 struct SettingInfo {
   SettingSource source;
   ContentSettingsPattern primary_pattern;
   ContentSettingsPattern secondary_pattern;
 };
 
 }  // namespace content_settings
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_H_