AU: MultiHttpFetcher cleanup/rewrite

libcurl_http_fetcher.cc

 // Copyright (c) 2009 The Chromium OS 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 "update_engine/libcurl_http_fetcher.h"
 
 #include <algorithm>
 #include <string>
 
 #include <base/logging.h>
@@ skipping 138 matching lines @@
   transfer_in_progress_ = true;
 }
 
 // Begins the transfer, which must not have already been started.
 void LibcurlHttpFetcher::BeginTransfer(const std::string& url) {
   transfer_size_ = -1;
   resume_offset_ = 0;
   retry_count_ = 0;
   no_network_retry_count_ = 0;
   http_response_code_ = 0;
+  terminate_requested_ = false;
   ResolveProxiesForUrl(url);
   ResumeTransfer(url);
   CurlPerformOnce();
 }
 
 void LibcurlHttpFetcher::ForceTransferTermination() {
   CleanUp();
   if (delegate_) {
     // Note that after the callback returns this object may be destroyed.
     delegate_->TransferTerminated(this);
@@ skipping 271 matching lines @@
 void LibcurlHttpFetcher::GetHttpResponseCode() {
   long http_response_code = 0;
   if (curl_easy_getinfo(curl_handle_,
                         CURLINFO_RESPONSE_CODE,
                         &http_response_code) == CURLE_OK) {
     http_response_code_ = static_cast<int>(http_response_code);
   }
 }
 
 }  // namespace chromeos_update_engine