|  | // Copyright 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 UI_GFX_SWITCHES_H_ | 
|  | #define UI_GFX_SWITCHES_H_ | 
|  |  | 
|  | #include "build/build_config.h" | 
|  | #include "ui/gfx/gfx_export.h" | 
|  |  | 
|  | namespace switches { | 
|  |  | 
|  | GFX_EXPORT extern const char kAllowArbitraryScaleFactorInImageSkia[]; | 
|  | GFX_EXPORT extern const char kDisableHarfBuzzRenderText[]; | 
|  | GFX_EXPORT extern const char kEnableHarfBuzzRenderText[]; | 
|  | GFX_EXPORT extern const char kEnableWebkitTextSubpixelPositioning[]; | 
|  | GFX_EXPORT extern const char kForceDeviceScaleFactor[]; | 
|  |  | 
|  | #if defined(OS_WIN) | 
|  | GFX_EXPORT extern const char kDisableDirectWrite[]; | 
|  | GFX_EXPORT extern const char kEnableDirectWriteForUI[]; | 
|  | #endif | 
|  |  | 
|  | }  // namespace switches | 
|  |  | 
|  | #endif  // UI_GFX_SWITCHES_H_ |