1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // This file is used as a precompiled header for both C and C++ files. So
6 // any C++ headers must go in the __cplusplus block below.
8 #if defined(BUILD_PRECOMPILE_H_)
9 #error You shouldn't include the precompiled header file more than once.
12 #define BUILD_PRECOMPILE_H_
14 #define _USE_MATH_DEFINES
29 #if defined(__cplusplus)