make SetReceiveBufferSize and SetSendBufferSize return net error codes (instead of bools)

content/browser/renderer_host/p2p/socket_host_tcp.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/p2p/socket_host_tcp.h"
 
 #include "base/sys_byteorder.h"
 #include "content/common/p2p_messages.h"
 #include "ipc/ipc_sender.h"
 #include "jingle/glue/fake_ssl_client_socket.h"
@@ skipping 394 matching lines @@
   if (pos && pos <= read_buffer_->offset()) {
     memmove(head, head + pos, read_buffer_->offset() - pos);
     read_buffer_->set_offset(read_buffer_->offset() - pos);
   }
 }
 
 bool P2PSocketHostTcpBase::SetOption(P2PSocketOption option, int value) {
   DCHECK_EQ(STATE_OPEN, state_);
   switch (option) {
     case P2P_SOCKET_OPT_RCVBUF:
-      return socket_->SetReceiveBufferSize(value);
+      return socket_->SetReceiveBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_SNDBUF:
-      return socket_->SetSendBufferSize(value);
+      return socket_->SetSendBufferSize(value) == net::OK;
     case P2P_SOCKET_OPT_DSCP:
       return false;  // For TCP sockets DSCP setting is not available.
     default:
       NOTREACHED();
       return false;
   }
 }
 
 P2PSocketHostTcp::P2PSocketHostTcp(
     IPC::Sender* message_sender, int id,
@@ skipping 130 matching lines @@
   } else {
     packet_size += kTurnChannelDataHeaderSize;
     // Calculate any padding if present.
     if (packet_size % 4)
       *pad_bytes = 4 - packet_size % 4;
   }
   return packet_size;
 }
 
 }  // namespace content