Warn user in case extension delays network traffic too much.

chrome/browser/extensions/extension_webrequest_api.cc

 // Copyright (c) 2011 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/extensions/extension_webrequest_api.h"
 
 #include <algorithm>
 
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
@@ skipping 468 matching lines @@
     GURL* new_url) {
   // TODO(jochen): Figure out what to do with events from the system context.
   if (!profile)
     return net::OK;
 
   if (!HasWebRequestScheme(request->url()))
     return net::OK;
 
   request_time_tracker_->LogRequestStartTime(request->identifier(),
                                              base::Time::Now(),
-                                             request->url());
+                                             request->url(),
+                                             profile);
 
   int extra_info_spec = 0;
   std::vector<const EventListener*> listeners =
       GetMatchingListeners(profile, extension_info_map, keys::kOnBeforeRequest,
                            request, &extra_info_spec);
   if (listeners.empty())
     return net::OK;
 
   if (GetAndSetSignaled(request->identifier(), kOnBeforeRequest))
     return net::OK;
@@ skipping 1081 matching lines @@
       profile_id(), extension_id(), event_name, sub_event_name, request_id,
       response.release());
 
   return true;
 }
 
 bool WebRequestHandlerBehaviorChanged::RunImpl() {
   WebCacheManager::GetInstance()->ClearCacheOnNavigation();
   return true;
 }