Resetting the HttpRequestInfo pointers in HttpNetworkTransaction and streams

net/http/http_basic_state.cc

 // Copyright 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 "net/http/http_basic_state.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_body_drainer.h"
 #include "net/http/http_stream_parser.h"
 #include "net/http/http_util.h"
 #include "net/socket/client_socket_handle.h"
 #include "url/gurl.h"
 
 namespace net {
 
 HttpBasicState::HttpBasicState(std::unique_ptr<ClientSocketHandle> connection,
                                bool using_proxy)
     : read_buf_(new GrowableIOBuffer()),
       connection_(std::move(connection)),
-      using_proxy_(using_proxy),
-      request_info_(NULL) {}
+      using_proxy_(using_proxy) {}
 
 HttpBasicState::~HttpBasicState() {}
 
 int HttpBasicState::Initialize(const HttpRequestInfo* request_info,
                                RequestPriority priority,
                                const BoundNetLog& net_log,
                                const CompletionCallback& callback) {
   DCHECK(!parser_.get());
-  request_info_ = request_info;
+  url_ = request_info->url;
+  request_method_ = request_info->method;
   parser_.reset(new HttpStreamParser(
       connection_.get(), request_info, read_buf_.get(), net_log));
   return OK;
 }
 
 std::unique_ptr<ClientSocketHandle> HttpBasicState::ReleaseConnection() {
   return std::move(connection_);
 }
 
 scoped_refptr<GrowableIOBuffer> HttpBasicState::read_buf() const {
   return read_buf_;
 }
 
 void HttpBasicState::DeleteParser() { parser_.reset(); }
 
 std::string HttpBasicState::GenerateRequestLine() const {
   static const char kSuffix[] = " HTTP/1.1\r\n";
   const size_t kSuffixLen = arraysize(kSuffix) - 1;
-  DCHECK(request_info_);
-  const GURL& url = request_info_->url;
   const std::string path =
-      using_proxy_ ? HttpUtil::SpecForRequest(url) : url.PathForRequest();
+      using_proxy_ ? HttpUtil::SpecForRequest(url_) : url_.PathForRequest();
   // Don't use StringPrintf for concatenation because it is very inefficient.
   std::string request_line;
-  const size_t expected_size = request_info_->method.size() + 1 + path.size() +
-      kSuffixLen;
+  const size_t expected_size =
+      request_method_.size() + 1 + path.size() + kSuffixLen;
   request_line.reserve(expected_size);
-  request_line.append(request_info_->method);
+  request_line.append(request_method_);
   request_line.append(1, ' ');
   request_line.append(path);
   request_line.append(kSuffix, kSuffixLen);
   DCHECK_EQ(expected_size, request_line.size());
   return request_line;
 }
 
 }  // namespace net