Convert all usages of mojo::ErrorHandler in //device/serial to callbacks.

device/serial/data_source_sender.cc

 // Copyright 2014 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 "device/serial/data_source_sender.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
@@ skipping 67 matching lines @@
     const ErrorCallback& error_callback)
     : binding_(this, source.Pass()),
       client_(client.Pass()),
       ready_callback_(ready_callback),
       error_callback_(error_callback),
       available_buffer_capacity_(0),
       paused_(false),
       shut_down_(false),
       weak_factory_(this) {
   DCHECK(!ready_callback.is_null() && !error_callback.is_null());
-  binding_.set_error_handler(this);
-  client_.set_error_handler(this);
+  binding_.set_connection_error_handler(
+      base::Bind(&DataSourceSender::OnConnectionError, base::Unretained(this)));
+  client_.set_connection_error_handler(
+      base::Bind(&DataSourceSender::OnConnectionError, base::Unretained(this)));
 }
 
 void DataSourceSender::ShutDown() {
   shut_down_ = true;
   ready_callback_.Reset();
   error_callback_.Reset();
 }
 
 DataSourceSender::~DataSourceSender() {
   DCHECK(shut_down_);
@@ skipping 140 matching lines @@
     uint32_t bytes_written,
     int32_t error) {
   DCHECK(sender_.get());
   PendingSend* send = pending_send_;
   pending_send_ = nullptr;
   send->DoneWithError(bytes_written, error);
   sender_ = nullptr;
 }
 
 }  // namespace device