Remove the HANDLED_EXTERNALLY status code.

chrome/browser/net/chrome_network_delegate.cc

 // Copyright (c) 2012 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/chrome_network_delegate.h"
 
 #include "base/logging.h"
 #include "base/base_paths.h"
 #include "base/path_service.h"
 #include "chrome/browser/api/prefs/pref_member.h"
@@ skipping 243 matching lines @@
   performance_monitor::PerformanceMonitor::GetInstance()->BytesReadOnIOThread(
       request, bytes_read);
 
 #if defined(ENABLE_TASK_MANAGER)
   TaskManager::GetInstance()->model()->NotifyBytesRead(request, bytes_read);
 #endif  // defined(ENABLE_TASK_MANAGER)
 }
 
 void ChromeNetworkDelegate::OnCompleted(net::URLRequest* request,
                                         bool started) {
-  if (request->status().status() == net::URLRequestStatus::SUCCESS ||
-      request->status().status() == net::URLRequestStatus::HANDLED_EXTERNALLY) {
+  if (request->status().status() == net::URLRequestStatus::SUCCESS) {
     bool is_redirect = request->response_headers() &&
         net::HttpResponseHeaders::IsRedirectResponseCode(
             request->response_headers()->response_code());
     if (!is_redirect) {
       ExtensionWebRequestEventRouter::GetInstance()->OnCompleted(
           profile_, extension_info_map_.get(), request);
     }
   } else if (request->status().status() == net::URLRequestStatus::FAILED ||
              request->status().status() == net::URLRequestStatus::CANCELED) {
     ExtensionWebRequestEventRouter::GetInstance()->OnErrorOccurred(
@@ skipping 156 matching lines @@
 #endif
   return net::OK;
 }
 
 void ChromeNetworkDelegate::OnRequestWaitStateChange(
     const net::URLRequest& request,
     RequestWaitState state) {
   if (load_time_stats_)
     load_time_stats_->OnRequestWaitStateChange(request, state);
 }