|  | // 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. | 
|  |  | 
|  | #ifndef CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_CONSTANTS_H__ | 
|  | #define CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_CONSTANTS_H__ | 
|  |  | 
|  | namespace extensions { | 
|  | namespace preference_api_constants { | 
|  |  | 
|  | // Keys for incoming arguments. | 
|  | extern const char kIncognitoKey[]; | 
|  | extern const char kScopeKey[]; | 
|  |  | 
|  | // Keys for returned parameters. | 
|  | extern const char kIncognitoSpecific[]; | 
|  | extern const char kLevelOfControl[]; | 
|  | extern const char kValue[]; | 
|  |  | 
|  | // Errors. | 
|  | extern const char kIncognitoErrorMessage[]; | 
|  | extern const char kIncognitoSessionOnlyErrorMessage[]; | 
|  | extern const char kPermissionErrorMessage[]; | 
|  |  | 
|  | }  // namespace preference_api_constants | 
|  | }  // namespace extensions | 
|  |  | 
|  | #endif  // CHROME_BROWSER_EXTENSIONS_API_PREFERENCE_PREFERENCE_API_CONSTANTS_H__ |