Move initialization of ChromeURLRequestContexts to the IO thread.

chrome/browser/net/resolve_proxy_msg_helper.cc

 // Copyright (c) 2009 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 "chrome/browser/net/resolve_proxy_msg_helper.h"
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/profile.h"
+#include "chrome/browser/net/url_request_context_getter.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_context.h"
 
 ResolveProxyMsgHelper::ResolveProxyMsgHelper(Delegate* delegate,
                                              net::ProxyService* proxy_service)
     : proxy_service_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(callback_(
           this, &ResolveProxyMsgHelper::OnResolveProxyCompleted)),
       delegate_(delegate),
       proxy_service_override_(proxy_service) {
@@ skipping 54 matching lines @@
 
 bool ResolveProxyMsgHelper::GetProxyService(
     scoped_refptr<net::ProxyService>* out) const {
   // Unit-tests specify their own proxy service to use.
   if (proxy_service_override_) {
     *out = proxy_service_override_;
     return true;
   }
 
   // If there is no default request context (say during shut down).
-  URLRequestContext* context = Profile::GetDefaultRequestContext();
-  if (!context)
+  URLRequestContextGetter* context_getter =
+      Profile::GetDefaultRequestContext();
+  if (!context_getter)
     return false;
 
   // Otherwise use the browser's global proxy service.
-  *out = context->proxy_service();
+  *out = context_getter->GetURLRequestContext()->proxy_service();
   return true;
 }
 
 ResolveProxyMsgHelper::~ResolveProxyMsgHelper() {
   // Clear all pending requests.
   if (!pending_requests_.empty()) {
     PendingRequest req = pending_requests_.front();
     proxy_service_->CancelPacRequest(req.pac_req);
   }
 
   for (PendingRequestList::iterator it = pending_requests_.begin();
        it != pending_requests_.end();
        ++it) {
     delete it->reply_msg;
   }
 
   proxy_service_ = NULL;
   pending_requests_.clear();
 }