Reland "[cleanup] Remove useless includes."
Reason for reland: Downstream project fixed.
Original change's description:
> [cleanup] Remove useless includes.
>
> Manual cleanup guided by include-what-you-use diagnostic.
>
> Bug: webrtc:8311
> Change-Id: I00be03392cc7ee005101427ea7dc701621ccea68
> Reviewed-on: https://webrtc-review.googlesource.com/c/103320
> Commit-Queue: Yves Gerey <yvesg@webrtc.org>
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#25013}
Bug: webrtc:8311
Change-Id: Id6ec4aeb798886a90ace640a190eaf16497ba31b
Reviewed-on: https://webrtc-review.googlesource.com/c/104120
Commit-Queue: Yves Gerey <yvesg@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25034}
diff --git a/rtc_base/fileutils.cc b/rtc_base/fileutils.cc
index 7d83f97..0adbbac 100644
--- a/rtc_base/fileutils.cc
+++ b/rtc_base/fileutils.cc
@@ -10,12 +10,11 @@
#include "rtc_base/fileutils.h"
-#include "rtc_base/arraysize.h"
#include "rtc_base/checks.h"
#include "rtc_base/pathutils.h"
-#include "rtc_base/stringutils.h"
#if defined(WEBRTC_WIN)
+#include "rtc_base/stringutils.h" // for ToUtf16
#include "rtc_base/win32filesystem.h"
#else
#include "rtc_base/unixfilesystem.h"