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

chrome/browser/devtools/adb/android_usb_socket.cc

 // Copyright (c) 2013 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 "chrome/browser/devtools/adb/android_usb_socket.h"
 
 #include "base/message_loop/message_loop.h"
 
 namespace {
 
@@ skipping 119 matching lines @@
     return net::ERR_SOCKET_NOT_CONNECTED;
 
   if (length > kMaxPayload)
     length = kMaxPayload;
   write_requests_.push_back(IORequest(NULL, length, callback));
   device_->Send(AdbMessage::kCommandWRTE, local_id_, remote_id_,
                  std::string(buffer->data(), length));
   return net::ERR_IO_PENDING;
 }
 
-bool AndroidUsbSocket::SetReceiveBufferSize(int32 size) {
+int AndroidUsbSocket::SetReceiveBufferSize(int32 size) {
   NOTIMPLEMENTED();
-  return false;
+  return net::ERR_NOT_IMPLEMENTED;
 }
 
-bool AndroidUsbSocket::SetSendBufferSize(int32 size) {
+int AndroidUsbSocket::SetSendBufferSize(int32 size) {
   NOTIMPLEMENTED();
-  return false;
+  return net::ERR_NOT_IMPLEMENTED;
 }
 
 int AndroidUsbSocket::Connect(const net::CompletionCallback& callback) {
   DCHECK(CalledOnValidThread());
   if (device_->terminated())
     return net::ERR_FAILED;
   connect_callback_ = callback;
   device_->Send(AdbMessage::kCommandOPEN, local_id_, 0, command_);
   return net::ERR_IO_PENDING;
 }
@@ skipping 15 matching lines @@
 }
 
 int AndroidUsbSocket::GetPeerAddress(net::IPEndPoint* address) const {
   net::IPAddressNumber ip(net::kIPv4AddressSize);
   *address = net::IPEndPoint(ip, 0);
   return net::OK;
 }
 
 int AndroidUsbSocket::GetLocalAddress(net::IPEndPoint* address) const {
   NOTIMPLEMENTED();
-  return net::ERR_FAILED;
+  return net::ERR_NOT_IMPLEMENTED;
 }
 
 const net::BoundNetLog& AndroidUsbSocket::NetLog() const {
   return net_log_;
 }
 
 void AndroidUsbSocket::SetSubresourceSpeculation() {
   NOTIMPLEMENTED();
 }
 
@@ skipping 43 matching lines @@
   }
 }
 
 void AndroidUsbSocket::RespondToWriters() {
   if (!write_requests_.empty()) {
     IORequest write_request = write_requests_.front();
     write_requests_.pop_front();
     write_request.callback.Run(write_request.length);
   }
 }