Add methods to set the ICE connection receiving_timeout values.

webrtc/p2p/base/rawtransportchannel.h

Index: webrtc/p2p/base/rawtransportchannel.h
diff --git a/webrtc/p2p/base/rawtransportchannel.h b/webrtc/p2p/base/rawtransportchannel.h
index 10da168aa1422a4c19036b1d65817c2b2020d1c3..75b494e65a0f1818753fdff657af09d1677e4403 100644
--- a/webrtc/p2p/base/rawtransportchannel.h
+++ b/webrtc/p2p/base/rawtransportchannel.h
@@ -156,6 +156,8 @@ class RawTransportChannel : public TransportChannelImpl,
     return false;
   }
 
+  void SetReceivingTimeout(int timeout) override {}
+
  private:
   RawTransport* raw_transport_;
   rtc::Thread *worker_thread_;