diff -up chromium-43.0.2357.130/chrome/browser/extensions/external_component_loader.cc.no-external-components chromium-43.0.2357.130/chrome/browser/extensions/external_component_loader.cc
--- chromium-43.0.2357.130/chrome/browser/extensions/external_component_loader.cc.no-external-components	2015-06-23 00:56:46.000000000 +0200
+++ chromium-43.0.2357.130/chrome/browser/extensions/external_component_loader.cc	2015-06-23 19:29:05.079333194 +0200
@@ -48,46 +48,6 @@ bool ExternalComponentLoader::IsModifiab
 }
 
 void ExternalComponentLoader::StartLoading() {
-  prefs_.reset(new base::DictionaryValue());
-  std::string app_id = extension_misc::kInAppPaymentsSupportAppId;
-  prefs_->SetString(app_id + ".external_update_url",
-                    extension_urls::GetWebstoreUpdateUrl().spec());
-
-  if (HotwordServiceFactory::IsHotwordAllowed(profile_)) {
-    std::string hotword_id = extension_misc::kHotwordSharedModuleId;
-    prefs_->SetString(hotword_id + ".external_update_url",
-                      extension_urls::GetWebstoreUpdateUrl().spec());
-  }
-
-  {
-    std::string extension_id;
-    if (IsEnhancedBookmarksEnabled(&extension_id)) {
-      prefs_->SetString(extension_id + ".external_update_url",
-                        extension_urls::GetWebstoreUpdateUrl().spec());
-    }
-  }
-
-#if defined(OS_CHROMEOS)
-  {
-    base::CommandLine* const command_line =
-        base::CommandLine::ForCurrentProcess();
-    if (!command_line->HasSwitch(chromeos::switches::kDisableNewZIPUnpacker)) {
-      const std::string extension_id = extension_misc::kZIPUnpackerExtensionId;
-      prefs_->SetString(extension_id + ".external_update_url",
-                        extension_urls::GetWebstoreUpdateUrl().spec());
-    }
-  }
-#endif
-
-#if defined(ENABLE_APP_LIST) && defined(OS_CHROMEOS)
-  std::string google_now_extension_id;
-  if (GetGoogleNowExtensionId(&google_now_extension_id)) {
-    prefs_->SetString(google_now_extension_id + ".external_update_url",
-                      extension_urls::GetWebstoreUpdateUrl().spec());
-  }
-#endif
-
-  LoadFinished();
 }
 
 }  // namespace extensions