Plumb invalidations from Tango to the extensions code for the Push Messaging API.

chrome/browser/extensions/extension_service.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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 505 matching lines @@
   input_method_event_router_.reset(
       new chromeos::ExtensionInputMethodEventRouter);
 
   ExtensionMediaPlayerEventRouter::GetInstance()->Init(profile_);
   extensions::InputImeEventRouter::GetInstance()->Init();
 #endif
 #endif  // defined(ENABLE_EXTENSIONS)
   event_routers_initialized_ = true;
 }
 
+void ExtensionService::Shutdown() {
+  push_messaging_event_router_->Shutdown();
+}
+
 const Extension* ExtensionService::GetExtensionById(
     const std::string& id, bool include_disabled) const {
   int include_mask = INCLUDE_ENABLED;
   if (include_disabled) {
     include_mask |= INCLUDE_DISABLED;
   }
   return GetExtensionByIdInternal(id, include_mask);
 }
 
 void ExtensionService::Init() {
@@ skipping 2032 matching lines @@
 
 ExtensionService::NaClModuleInfoList::iterator
     ExtensionService::FindNaClModule(const GURL& url) {
   for (NaClModuleInfoList::iterator iter = nacl_module_list_.begin();
        iter != nacl_module_list_.end(); ++iter) {
     if (iter->url == url)
       return iter;
   }
   return nacl_module_list_.end();
 }