Move common code into process_util.cc

base/process.h

 // Copyright (c) 2006-2008 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 BASE_PROCESS_H_
 #define BASE_PROCESS_H_
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 
 #include <sys/types.h>
-#ifdef OS_WIN
+#if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 namespace base {
 
 // ProcessHandle is a platform specific type which represents the underlying OS
 // handle to a process.
 // ProcessId is a number which identifies the process in the OS.
 #if defined(OS_WIN)
 typedef HANDLE ProcessHandle;
 typedef DWORD ProcessId;
 typedef HANDLE UserTokenHandle;
 const ProcessHandle kNullProcessHandle = NULL;
 #elif defined(OS_POSIX)
 // On POSIX, our ProcessHandle will just be the PID.
 typedef pid_t ProcessHandle;
 typedef pid_t ProcessId;
 const ProcessHandle kNullProcessHandle = 0;
-#endif
+#endif  // defined(OS_WIN)
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 // saved_priority_ will be set to this to indicate that it's not holding
 // a valid value. -20 to 19 are valid process priorities.
 const int kUnsetProcessPriority = 256;
 #endif
 
 class Process {
  public:
   Process() : process_(kNullProcessHandle) {
@@ skipping 55 matching lines @@
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   // Holds the priority that the process was set to when it was backgrounded.
   // If the process wasn't backgrounded it will be kUnsetProcessPriority.
   int saved_priority_;
 #endif
 };
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_H_