Allow p2p UDP packages to set DSCP

content/renderer/p2p/socket_client.h

Index: content/renderer/p2p/socket_client.h
diff --git a/content/renderer/p2p/socket_client.h b/content/renderer/p2p/socket_client.h
index fd8537e7242647849ce67a9622195e43d583435a..35c5152f4bdb531586b9144bd0e575bdc99b384a 100644
--- a/content/renderer/p2p/socket_client.h
+++ b/content/renderer/p2p/socket_client.h
@@ -55,6 +55,12 @@ class P2PSocketClient : public base::RefCountedThreadSafe<P2PSocketClient> {
   // Send the |data| to the |address|.
   void Send(const net::IPEndPoint& address, const std::vector<char>& data);
 
+  // Send the |data| to the |address| using Differentiated Services Code Point
+  // |dscp|.
+  void SendWithDscp(const net::IPEndPoint& address,

[Sergey Ulanov, 2013/08/17 05:50:04]

Do we expect to change dscp often? Maybe add SetTos(dscp) instead?

Otherwise SendWithDscp() affects all Send() that are called after it that
doesn't seem right.

[juberti2, 2013/08/19 16:06:07]

For hierarchically encoded video, we may change dscp as often as every packet.

[hubbe, 2013/08/21 18:51:36]

I'll changing Send() to default to SendWithDscp(..., DSCP_SC0);

+                    const std::vector<char>& data,
+                    net::DiffServCodePoint dscp);
+
   // Must be called before the socket is destroyed. The delegate may
   // not be called after |closed_task| is executed.
   void Close();