Permissions: Allow PermissionManager to return more PermissionStatusSources.

chrome/browser/permissions/permission_result.h

 // Copyright 2017 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 CHROME_BROWSER_PERMISSIONS_PERMISSION_RESULT_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_RESULT_H_
 
 #include "components/content_settings/core/common/content_settings.h"
 
 // Identifies the source or reason for a permission status being returned.
 enum class PermissionStatusSource {
   // The reason for the status is not specified.
   UNSPECIFIED,
 
   // The status is the result of being blocked because the permission is on the
   // safe browsing blacklist.
   SAFE_BROWSING_BLACKLIST,
 
   // The status is the result of being blocked by the permissions kill switch.
   KILL_SWITCH,
 
   // The status is the result of being blocked due to the user dismissing a
   // permission prompt multiple times.
   MULTIPLE_DISMISSALS,
 
   // The status is the result of being blocked due to the user ignoring a
   // permission prompt multiple times.
   MULTIPLE_IGNORES,
+
+  // This origin is insecure, thus its access to some permissions has been
+  // restricted, such as camera, microphone, etc.
+  INSECURE_ORIGIN,
+
+  // The following two PermissionStatusSources cover the permission being
+  // individually controlled for a certain origin, or are part of a group of
+  // origins controlled via a URL pattern, e.g. "https://*".
+
+  // Controlled by enterprise policy.
+  ENTERPRISE_POLICY,
+
+  // Controlled by an extension.
+  EXTENSION,
 };
 
 struct PermissionResult {
   PermissionResult(ContentSetting content_setting,
                    PermissionStatusSource source);
   ~PermissionResult();
 
   ContentSetting content_setting;
   PermissionStatusSource source;
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_RESULT_H_