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

jingle/glue/pseudotcp_adapter.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 "jingle/glue/pseudotcp_adapter.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "net/base/address_list.h"
@@ skipping 466 matching lines @@
   DCHECK(CalledOnValidThread());
   return core_->Read(buffer, buffer_size, callback);
 }
 
 int PseudoTcpAdapter::Write(net::IOBuffer* buffer, int buffer_size,
                             const net::CompletionCallback& callback) {
   DCHECK(CalledOnValidThread());
   return core_->Write(buffer, buffer_size, callback);
 }
 
-bool PseudoTcpAdapter::SetReceiveBufferSize(int32 size) {
+int PseudoTcpAdapter::SetReceiveBufferSize(int32 size) {
   DCHECK(CalledOnValidThread());
 
   core_->SetReceiveBufferSize(size);
-  return false;
+  return net::OK;

[Ryan Hamilton, 2014/04/08 19:55:11]

One more instance of a semantic change here.

[jar (doing other things), 2014/04/08 23:16:26]

I *think* I understand the call sites (which were not checking the result!), so
I'll stick with this code for my first re-landing.

 }
 
-bool PseudoTcpAdapter::SetSendBufferSize(int32 size) {
+int PseudoTcpAdapter::SetSendBufferSize(int32 size) {
   DCHECK(CalledOnValidThread());
 
   core_->SetSendBufferSize(size);
-  return false;
+  return net::OK;
 }
 
 int PseudoTcpAdapter::Connect(const net::CompletionCallback& callback) {
   DCHECK(CalledOnValidThread());
 
   // net::StreamSocket requires that Connect return OK if already connected.
   if (IsConnected())
     return net::OK;
 
   return core_->Connect(callback);
@@ skipping 80 matching lines @@
   DCHECK(CalledOnValidThread());
   core_->SetNoDelay(no_delay);
 }
 
 void PseudoTcpAdapter::SetWriteWaitsForSend(bool write_waits_for_send) {
   DCHECK(CalledOnValidThread());
   core_->SetWriteWaitsForSend(write_waits_for_send);
 }
 
 }  // namespace jingle_glue