Clean up ExtensionMessageService.

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 223 matching lines @@
   while (!queued_messages_.empty()) {
     delete queued_messages_.front();
     queued_messages_.pop();
   }
 
   // Destroy the AudioRendererHost properly.
   if (audio_renderer_host_.get())
     audio_renderer_host_->Destroy();
 
   ClearTransportDIBCache();
-
-  NotificationService::current()->Notify(
-      NotificationType::EXTENSION_PORT_DELETED_DEBUG,
-      Source<IPC::Message::Sender>(this),
-      NotificationService::NoDetails());
 }
 
 bool BrowserRenderProcessHost::Init(bool is_extensions_process) {
   // calling Init() more than once does nothing, this makes it more convenient
   // for the view host which may not be sure in some cases
   if (channel_.get())
     return true;
 
   // It is possible for an extension process to be reused for non-extension
   // content, e.g. if an extension calls window.open.
@@ skipping 812 matching lines @@
         IPC::InvalidPlatformFileForTransit(),
         std::vector<std::string>(),
         std::string(),
         false));
   }
 }
 
 void BrowserRenderProcessHost::EnableAutoSpellCorrect(bool enable) {
   Send(new ViewMsg_SpellChecker_EnableAutoSpellCorrect(enable));
 }