Use automatic memory management for URLRequestContext's members....

net/proxy/proxy_service.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/proxy/proxy_service.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <winhttp.h>
 #endif
@@ skipping 287 matching lines @@
 #else
   // This used to be a NOTIMPLEMENTED(), but that logs as an error,
   // screwing up layout tests.
   LOG(WARNING) << "Proxies are not implemented; remove me once that's fixed.";
   // http://code.google.com/p/chromium/issues/detail?id=4523 is the bug
   // to implement this.
   return new ProxyService(new ProxyResolverNull());
 #endif
 }
 
+// static
+ProxyService* ProxyService::CreateNull() {
+  return new ProxyService(new ProxyResolverNull());
+}
+
 int ProxyService::ResolveProxy(const GURL& url, ProxyInfo* result,
                                CompletionCallback* callback,
                                PacRequest** pac_request) {
   // The overhead of calling WinHttpGetIEProxyConfigForCurrentUser is very low.
   const TimeDelta kProxyConfigMaxAge = TimeDelta::FromSeconds(5);
 
   // Periodically check for a new config.
   if (!config_has_been_updated_ ||
       (TimeTicks::Now() - config_last_update_time_) > kProxyConfigMaxAge)
     UpdateConfig();
@@ skipping 218 matching lines @@
     // http://www.tcd.ie/iss/internet/osx_proxy.php for a real-world example).
     // That's kinda cool so we'll provide that for everyone.
     // TODO(avi): implement here
   }
 
   return false;
 }
 
 }  // namespace net