Read recv timestamps from socket (posix only).

webrtc/base/win32socketserver.h

Index: webrtc/base/win32socketserver.h
diff --git a/webrtc/base/win32socketserver.h b/webrtc/base/win32socketserver.h
index f47ed756964af41cf443a271607b3112bf22d5cf..28bee6af067653f1b85b18f6d489951106c92a68 100644
--- a/webrtc/base/win32socketserver.h
+++ b/webrtc/base/win32socketserver.h
@@ -44,8 +44,11 @@ class Win32Socket : public AsyncSocket {
   virtual int Connect(const SocketAddress& addr);
   virtual int Send(const void *buffer, size_t length);
   virtual int SendTo(const void *buffer, size_t length, const SocketAddress& addr);
-  virtual int Recv(void *buffer, size_t length);
-  virtual int RecvFrom(void *buffer, size_t length, SocketAddress *out_addr);
+  virtual int Recv(void* buffer, size_t length, int64_t* timestamp);
+  virtual int RecvFrom(void* buffer,
+                       size_t length,
+                       SocketAddress* out_addr,
+                       int64_t* timestamp);
   virtual int Listen(int backlog);
   virtual Win32Socket *Accept(SocketAddress *out_addr);
   virtual int Close();