Add a status message "Waiting for extension Foo..." when there's a request

net/url_request/url_request_http_job.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 "net/url_request/url_request_http_job.h"
 
 #include "base/bind.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 333 matching lines @@
 }
 
 void URLRequestHttpJob::StartTransaction() {
   if (request_->context() && request_->context()->network_delegate()) {
     int rv = request_->context()->network_delegate()->NotifyBeforeSendHeaders(
         request_, &notify_before_headers_sent_callback_,
         &request_info_.extra_headers);
     // If an extension blocks the request, we rely on the callback to
     // StartTransactionInternal().
     if (rv == ERR_IO_PENDING) {
-      request_->net_log().BeginEvent(
-          NetLog::TYPE_URL_REQUEST_BLOCKED_ON_DELEGATE, NULL);
+      SetBlockedOnDelegate();
       return;
     }
   }
   StartTransactionInternal();
 }
 
 void URLRequestHttpJob::NotifyBeforeSendHeadersCallback(int result) {
-  request_->net_log().EndEvent(
-      NetLog::TYPE_URL_REQUEST_BLOCKED_ON_DELEGATE, NULL);
+  SetUnblockedOnDelegate();
 
   if (result == OK) {
     StartTransactionInternal();
   } else {
     request_->net_log().AddEvent(NetLog::TYPE_CANCELLED,
         make_scoped_refptr(new NetLogStringParameter("source", "delegate")));
     NotifyCanceled();
   }
 }
 
@@ skipping 1102 matching lines @@
   if (done_)
     return;
   done_ = true;
 
   RecordPerfHistograms(reason);
   if (reason == FINISHED)
     RecordCompressionHistograms();
 }
 
 }  // namespace net