run iwyu on base!

base/third_party/dmg_fp/dtoa_wrapper.cc

 // Copyright (c) 2010 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.
 //
 // The purpose of this file is to supply the macro definintions necessary
 // to make third_party/dmg_fp/dtoa.cc threadsafe.
+#include <time.h>
+
+#include "base/basictypes.h"
+#include "base/logging.h"
 #include "base/synchronization/lock.h"
-#include "base/logging.h"
 
 // We need two locks because they're sometimes grabbed at the same time.
 // A single lock would lead to an attempted recursive grab.
 static base::Lock dtoa_locks[2];
 
 /*
  * This define and the code below is to trigger thread-safe behavior
  * in dtoa.cc, per this comment from the file:
  * 
  * #define MULTIPLE_THREADS if the system offers preemptively scheduled
@@ skipping 12 matching lines @@
   DCHECK(n < arraysize(dtoa_locks));
   dtoa_locks[n].Acquire();
 }
 
 inline static void FREE_DTOA_LOCK(size_t n) {
   DCHECK(n < arraysize(dtoa_locks));
   dtoa_locks[n].Release();
 }
 
 #include "base/third_party/dmg_fp/dtoa.cc"