Change event routers from singletons to being owned by the ExtensionService.

chrome/browser/extensions/extension_service.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_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 551 matching lines @@
 ExtensionService::~ExtensionService() {
   // No need to unload extensions here because they are profile-scoped, and the
   // profile is in the process of being deleted.
 
   ProviderCollection::const_iterator i;
   for (i = external_extension_providers_.begin();
        i != external_extension_providers_.end(); ++i) {
     ExternalExtensionProviderInterface* provider = i->get();
     provider->ServiceShutdown();
   }
-
-#if defined(OS_CHROMEOS)
-  if (event_routers_initialized_) {
-    ExtensionFileBrowserEventRouter::GetInstance()->
-        StopObservingFileSystemEvents();
-  }
-#endif
 }
 
 void ExtensionService::InitEventRouters() {
   if (event_routers_initialized_)
     return;
 
-  ExtensionHistoryEventRouter::GetInstance()->ObserveProfile(profile_);
-  ExtensionAccessibilityEventRouter::GetInstance()->ObserveProfile(profile_);
+  history_event_router_.reset(new ExtensionHistoryEventRouter(profile_));
+  history_event_router_->Init();
+  accessibility_event_router_.reset(new ExtensionAccessibilityEventRouter());
+  accessibility_event_router_->Init();
   browser_event_router_.reset(new ExtensionBrowserEventRouter(profile_));
   browser_event_router_->Init();
   preference_event_router_.reset(new ExtensionPreferenceEventRouter(profile_));
-  ExtensionBookmarkEventRouter::GetInstance()->Observe(
-      profile_->GetBookmarkModel());
-  ExtensionCookiesEventRouter::GetInstance()->Init();
-  ExtensionManagementEventRouter::GetInstance()->Init();
-  ExtensionProcessesEventRouter::GetInstance()->ObserveProfile(profile_);
-  ExtensionWebNavigationEventRouter::GetInstance()->Init();
+  preference_event_router_->Init();
+  bookmark_event_router_.reset(new ExtensionBookmarkEventRouter());
+  bookmark_event_router_->Observe(profile_->GetBookmarkModel());
+  cookies_event_router_.reset(new ExtensionCookiesEventRouter());
+  cookies_event_router_->Init();
+  management_event_router_.reset(new ExtensionManagementEventRouter());
+  management_event_router_->Init();
+  processes_event_router_.reset(new ExtensionProcessesEventRouter(profile_));
+  processes_event_router_->Init();
+  web_navigation_event_router_.reset(new ExtensionWebNavigationEventRouter());
+  web_navigation_event_router_->Init();
 
 #if defined(OS_CHROMEOS)
-  ExtensionFileBrowserEventRouter::GetInstance()->ObserveFileSystemEvents(
-      profile_);
+  file_browser_event_router_.reset(
+      new ExtensionFileBrowserEventRouter(profile_));
 #endif
 
 #if defined(OS_CHROMEOS) && defined(TOUCH_UI)
   ExtensionInputUiEventRouter::GetInstance()->Init();
 #endif
 
   event_routers_initialized_ = true;
 }
 
 const Extension* ExtensionService::GetExtensionById(
@@ skipping 1657 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();
 }