include what you use: errno.h and string.h in content/

content/gpu/gpu_watchdog_thread.cc

 // 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.
 
+#include "content/gpu/gpu_watchdog_thread.h"
+
+#include <errno.h>
+
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
-#include "content/gpu/gpu_watchdog_thread.h"
-
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/power_monitor/power_monitor.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
@@ skipping 372 matching lines @@
   // not increasing. The other is where either the kernel hangs and never
   // returns to user level or where user level code
   // calls into kernel level repeatedly, giving up its quanta before it is
   // tracked, for example a loop that repeatedly Sleeps.
   return base::TimeDelta::FromMilliseconds(static_cast<int64>(
       (user_time64.QuadPart + kernel_time64.QuadPart) / 10000));
 }
 #endif
 
 }  // namespace content