|  | // Copyright 2014 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. | 
|  |  | 
|  | #include "public/platform/WebThread.h" | 
|  |  | 
|  | #include "wtf/Assertions.h" | 
|  |  | 
|  | #if OS(WIN) | 
|  | #include <windows.h> | 
|  | #elif OS(POSIX) | 
|  | #include <unistd.h> | 
|  | #endif | 
|  |  | 
|  | namespace blink { | 
|  |  | 
|  | #if OS(WIN) | 
|  | static_assert(sizeof(blink::PlatformThreadId) >= sizeof(DWORD), "size of platform thread id is too small"); | 
|  | #elif OS(POSIX) | 
|  | static_assert(sizeof(blink::PlatformThreadId) >= sizeof(pid_t), "size of platform thread id is too small"); | 
|  | #else | 
|  | #error Unexpected platform | 
|  | #endif | 
|  |  | 
|  | } // namespace blink |