iwyu: Cleanup in the following files:

base/event_recorder.h

 // Copyright (c) 2011 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_EVENT_RECORDER_H_
 #define BASE_EVENT_RECORDER_H_
 #pragma once
 
-#if defined(OS_WIN)
-#include <windows.h>
-#include <stdio.h>
-#endif
-
 #include "base/base_api.h"
 #include "base/basictypes.h"
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <stdio.h>
+#include <string.h>
+#include <windows.h>
+#endif
 
 class FilePath;
 
 namespace base {
 
 // A class for recording and playing back keyboard and mouse input events.
 //
 // Note - if you record events, and the playback with the windows in
 //        different sizes or positions, the playback will fail.  When
 //        recording and playing, you should move the relevant windows
@@ skipping 73 matching lines @@
 #endif
   int playback_first_msg_time_;
   int playback_start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(EventRecorder);
 };
 
 }  // namespace base
 
 #endif // BASE_EVENT_RECORDER_H_