Read recv timestamps from socket (posix only).

webrtc/base/socketadapters.h

Index: webrtc/base/socketadapters.h
diff --git a/webrtc/base/socketadapters.h b/webrtc/base/socketadapters.h
index 970a3b5eb6ce91c4cdd86822bcec76e526f52b5a..02f6bca3c99eb4f5cca58cce2080e2b53f4aa577 100644
--- a/webrtc/base/socketadapters.h
+++ b/webrtc/base/socketadapters.h
@@ -36,7 +36,7 @@ class BufferedReadAdapter : public AsyncSocketAdapter {
   ~BufferedReadAdapter() override;
 
   int Send(const void* pv, size_t cb) override;
-  int Recv(void* pv, size_t cb) override;
+  int Recv(void* pv, size_t cb, int64_t* timestamp) override;
 
  protected:
   int DirectSend(const void* pv, size_t cb) {
@@ -224,8 +224,11 @@ class LoggingSocketAdapter : public AsyncSocketAdapter {
 
   int Send(const void* pv, size_t cb) override;
   int SendTo(const void* pv, size_t cb, const SocketAddress& addr) override;
-  int Recv(void* pv, size_t cb) override;
-  int RecvFrom(void* pv, size_t cb, SocketAddress* paddr) override;
+  int Recv(void* pv, size_t cb, int64_t* timestamp) override;
+  int RecvFrom(void* pv,
+               size_t cb,
+               SocketAddress* paddr,
+               int64_t* timestamp) override;
   int Close() override;
 
  protected: