Allow ProxyService to share URLRequestContext with everything else.

chromeos/network/dhcp_proxy_script_fetcher_chromeos.cc

 // Copyright (c) 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 "chromeos/network/dhcp_proxy_script_fetcher_chromeos.h"
 
 #include "base/location.h"
 #include "base/task_runner_util.h"
 #include "chromeos/network/network_event_log.h"
 #include "chromeos/network/network_handler.h"
@@ skipping 15 matching lines @@
       NetworkHandler::Get()->network_state_handler()->DefaultNetwork();
   if (default_network)
     return default_network->web_proxy_auto_discovery_url().spec();
   return std::string();
 }
 
 }  // namespace
 
 DhcpProxyScriptFetcherChromeos::DhcpProxyScriptFetcherChromeos(
     net::URLRequestContext* url_request_context)
-    : url_request_context_(url_request_context),
-      weak_ptr_factory_(this) {
-  DCHECK(url_request_context_);
+    : weak_ptr_factory_(this) {
+  DCHECK(url_request_context);
   proxy_script_fetcher_.reset(
-      new net::ProxyScriptFetcherImpl(url_request_context_));
+      new net::ProxyScriptFetcherImpl(url_request_context));
   if (NetworkHandler::IsInitialized())
     network_handler_task_runner_ = NetworkHandler::Get()->task_runner();
 }
 
 DhcpProxyScriptFetcherChromeos::~DhcpProxyScriptFetcherChromeos() {
 }
 
 int DhcpProxyScriptFetcherChromeos::Fetch(
     base::string16* utf16_text,
     const net::CompletionCallback& callback) {
   if (!network_handler_task_runner_.get())
     return net::ERR_PAC_NOT_IN_DHCP;
   CHECK(!callback.is_null());
   base::PostTaskAndReplyWithResult(
       network_handler_task_runner_.get(), FROM_HERE,
       base::Bind(&GetPacUrlFromDefaultNetwork),
       base::Bind(&DhcpProxyScriptFetcherChromeos::ContinueFetch,
                  weak_ptr_factory_.GetWeakPtr(), utf16_text, callback));
   return net::ERR_IO_PENDING;
 }
 
 void DhcpProxyScriptFetcherChromeos::Cancel() {
   proxy_script_fetcher_->Cancel();
   // Invalidate any pending callbacks (i.e. calls to ContinueFetch).
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
+void DhcpProxyScriptFetcherChromeos::OnShutdown() {
+  proxy_script_fetcher_->OnShutdown();
+}
+
 const GURL& DhcpProxyScriptFetcherChromeos::GetPacURL() const {
   return pac_url_;
 }
 
 std::string DhcpProxyScriptFetcherChromeos::GetFetcherName() const {
   return "chromeos";
 }
 
 void DhcpProxyScriptFetcherChromeos::ContinueFetch(
     base::string16* utf16_text,
     net::CompletionCallback callback,
     std::string pac_url) {
   NET_LOG_EVENT("DhcpProxyScriptFetcher", pac_url);
   pac_url_ = GURL(pac_url);
   if (pac_url_.is_empty()) {
     callback.Run(net::ERR_PAC_NOT_IN_DHCP);
     return;
   }
   int res = proxy_script_fetcher_->Fetch(pac_url_, utf16_text, callback);
   if (res != net::ERR_IO_PENDING)
     callback.Run(res);
 }
 
 }  // namespace chromeos