base::Bind: Convert most of net/http.

net/http/http_response_body_drainer.cc

 // Copyright (c) 2011 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 "net/http/http_response_body_drainer.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_stream.h"
 
 namespace net {
 
 HttpResponseBodyDrainer::HttpResponseBodyDrainer(HttpStream* stream)
     : stream_(stream),
       next_state_(STATE_NONE),
       total_read_(0),
-      ALLOW_THIS_IN_INITIALIZER_LIST(
-          io_callback_(this, &HttpResponseBodyDrainer::OnIOComplete)),
-      user_callback_(NULL),
       session_(NULL) {}
 
 HttpResponseBodyDrainer::~HttpResponseBodyDrainer() {}
 
 void HttpResponseBodyDrainer::Start(HttpNetworkSession* session) {
   StartWithSize(session, kDrainBodyBufferSize);
 }
 
 void HttpResponseBodyDrainer::StartWithSize(HttpNetworkSession* session,
                                             int num_bytes_to_drain) {
@@ skipping 50 matching lines @@
   } while (rv != ERR_IO_PENDING && next_state_ != STATE_NONE);
 
   return rv;
 }
 
 int HttpResponseBodyDrainer::DoDrainResponseBody() {
   next_state_ = STATE_DRAIN_RESPONSE_BODY_COMPLETE;
 
   return stream_->ReadResponseBody(
       read_buf_, read_size_ - total_read_,
-      &io_callback_);
+      base::Bind(&HttpResponseBodyDrainer::OnIOComplete,
+                 base::Unretained(this)));
 }
 
 int HttpResponseBodyDrainer::DoDrainResponseBodyComplete(int result) {
   DCHECK_NE(ERR_IO_PENDING, result);
 
   if (result < 0)
     return result;
 
   if (result == 0)
     return ERR_CONNECTION_CLOSED;
@@ skipping 32 matching lines @@
     stream_->Close(true /* no keep-alive */);
   } else {
     DCHECK_EQ(OK, result);
     stream_->Close(false /* keep-alive */);
   }
 
   delete this;
 }
 
 }  // namespace net