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/nethelpers.h b/rtc_base/nethelpers.h
index f9d188f..429f0c0 100644
--- a/rtc_base/nethelpers.h
+++ b/rtc_base/nethelpers.h
@@ -18,12 +18,12 @@
#include <winsock2.h> // NOLINT
#endif
-#include <list>
+#include <vector>
#include "rtc_base/asyncresolverinterface.h"
+#include "rtc_base/ipaddress.h" // for IPAddress
#include "rtc_base/signalthread.h"
#include "rtc_base/socketaddress.h"
-#include "rtc_base/third_party/sigslot/sigslot.h"
namespace rtc {