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

net/socket/ssl_client_socket_openssl.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.
 
 // OpenSSL binding for SSLClientSocket. The class layout and general principle
 // of operation is derived from SSLClientSocketNSS.
 
 #include "net/socket/ssl_client_socket_openssl.h"
 
 #include <openssl/err.h>
@@ skipping 758 matching lines @@
   } else {
     if (rv > 0)
       was_ever_used_ = true;
     user_write_buf_ = NULL;
     user_write_buf_len_ = 0;
   }
 
   return rv;
 }
 
-bool SSLClientSocketOpenSSL::SetReceiveBufferSize(int32 size) {
+int SSLClientSocketOpenSSL::SetReceiveBufferSize(int32 size) {
   return transport_->socket()->SetReceiveBufferSize(size);
 }
 
-bool SSLClientSocketOpenSSL::SetSendBufferSize(int32 size) {
+int SSLClientSocketOpenSSL::SetSendBufferSize(int32 size) {
   return transport_->socket()->SetSendBufferSize(size);
 }
 
 bool SSLClientSocketOpenSSL::Init() {
   DCHECK(!ssl_);
   DCHECK(!transport_bio_);
 
   SSLContext* context = SSLContext::GetInstance();
   crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
 
@@ skipping 778 matching lines @@
 #endif
   return SSL_TLSEXT_ERR_OK;
 }
 
 scoped_refptr<X509Certificate>
 SSLClientSocketOpenSSL::GetUnverifiedServerCertificateChain() const {
   return server_cert_;
 }
 
 }  // namespace net