Revert 261966 "make SetReceiveBufferSize and SetSendBufferSize r..."

trunk/src/net/socket/tcp_socket_libevent.cc

Index: trunk/src/net/socket/tcp_socket_libevent.cc
===================================================================
--- trunk/src/net/socket/tcp_socket_libevent.cc	(revision 262001)
+++ trunk/src/net/socket/tcp_socket_libevent.cc	(working copy)
@@ -501,18 +501,22 @@
   return OK;
 }
 
-int TCPSocketLibevent::SetReceiveBufferSize(int32 size) {
+bool TCPSocketLibevent::SetReceiveBufferSize(int32 size) {
   DCHECK(CalledOnValidThread());
   int rv = setsockopt(socket_, SOL_SOCKET, SO_RCVBUF,
-                      reinterpret_cast<const char*>(&size), sizeof(size));
-  return (rv == 0) ? OK : MapSystemError(errno);
+      reinterpret_cast<const char*>(&size),
+      sizeof(size));
+  DCHECK(!rv) << "Could not set socket receive buffer size: " << errno;
+  return rv == 0;
 }
 
-int TCPSocketLibevent::SetSendBufferSize(int32 size) {
+bool TCPSocketLibevent::SetSendBufferSize(int32 size) {
   DCHECK(CalledOnValidThread());
   int rv = setsockopt(socket_, SOL_SOCKET, SO_SNDBUF,
-                      reinterpret_cast<const char*>(&size), sizeof(size));
-  return (rv == 0) ? OK : MapSystemError(errno);
+      reinterpret_cast<const char*>(&size),
+      sizeof(size));
+  DCHECK(!rv) << "Could not set socket send buffer size: " << errno;
+  return rv == 0;
 }
 
 bool TCPSocketLibevent::SetKeepAlive(bool enable, int delay) {