Change URLRequest to use a ref-counted buffer for actual IO....

net/url_request/url_request_http_job.cc

 // Copyright (c) 2006-2008 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/url_request/url_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 330 matching lines @@
   // The transaction started synchronously, but we need to notify the
   // URLRequest delegate via the message loop.
   MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
       this, &URLRequestHttpJob::OnStartCompleted, rv));
 }
 
 bool URLRequestHttpJob::GetMoreData() {
   return transaction_.get() && !read_in_progress_;
 }
 
-bool URLRequestHttpJob::ReadRawData(char* buf, int buf_size, int *bytes_read) {
+bool URLRequestHttpJob::ReadRawData(net::IOBuffer* buf, int buf_size,
+                                    int *bytes_read) {
   DCHECK_NE(buf_size, 0);
   DCHECK(bytes_read);
   DCHECK(!read_in_progress_);
 
   int rv = transaction_->Read(buf, buf_size, &read_callback_);
   if (rv >= 0) {
     *bytes_read = rv;
     return true;
   }
 
@@ skipping 184 matching lines @@
   DCHECK(response_cookies_.empty());
 
   std::string name = "Set-Cookie";
   std::string value;
 
   void* iter = NULL;
   while (response_info_->headers->EnumerateHeader(&iter, name, &value))
     response_cookies_.push_back(value);
 }