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

net/url_request/url_request_test_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 <vector>
 
 #include "net/url_request/url_request_test_job.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
@@ skipping 75 matching lines @@
     // FIXME(brettw): this should emulate a network error, and not just fail
     // initiating a connection
     return;
   }
 
   pending_jobs.push_back(scoped_refptr<URLRequestTestJob>(this));
 
   this->NotifyHeadersComplete();
 }
 
-bool URLRequestTestJob::ReadRawData(char* buf, int buf_size, int *bytes_read) {
+bool URLRequestTestJob::ReadRawData(net::IOBuffer* buf, int buf_size,
+                                    int *bytes_read) {
   if (stage_ == WAITING) {
     async_buf_ = buf;
     async_buf_size_ = buf_size;
     SetStatus(URLRequestStatus(URLRequestStatus::IO_PENDING, 0));
     return false;
   }
 
   DCHECK(bytes_read);
   *bytes_read = 0;
 
   if (offset_ >= static_cast<int>(data_.length())) {
     return true;  // done reading
   }
 
   int to_read = buf_size;
   if (to_read + offset_ > static_cast<int>(data_.length()))
     to_read = static_cast<int>(data_.length()) - offset_;
 
-  memcpy(buf, &data_.c_str()[offset_], to_read);
+  memcpy(buf->data(), &data_.c_str()[offset_], to_read);
   offset_ += to_read;
 
   *bytes_read = to_read;
   return true;
 }
 
 void URLRequestTestJob::GetResponseInfo(net::HttpResponseInfo* info) {
   const std::string kResponseHeaders = StringPrintf(
       "HTTP/1.1 200 OK%c"
       "Content-type: text/html%c"
@@ skipping 45 matching lines @@
 
   scoped_refptr<URLRequestTestJob> next_job(pending_jobs[0]);
   pending_jobs.erase(pending_jobs.begin());
 
   if (next_job->ProcessNextOperation())
     pending_jobs.push_back(next_job);
 
   return true;
 }