Delete the old hotwording integration.

chrome/browser/extensions/external_component_loader.cc

 // Copyright (c) 2013 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/external_component_loader.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/search/hotword_service.h"
@@ skipping 39 matching lines @@
   return false;
 }
 
 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::kHotwordExtensionId;
-    if (HotwordService::IsExperimentalHotwordingEnabled()) {
-      hotword_id = extension_misc::kHotwordSharedModuleId;
-    }
+    std::string hotword_id = extension_misc::kHotwordSharedModuleId;
     prefs_->SetString(hotword_id + ".external_update_url",
                       extension_urls::GetWebstoreUpdateUrl().spec());
   }
 
   InitBookmarksExperimentState(profile_);
 
   {
     std::string extension_id;
     if (GetBookmarksExperimentExtensionID(profile_->GetPrefs(),
                                           &extension_id) &&
@@ skipping 20 matching lines @@
   if (GetGoogleNowExtensionId(&google_now_extension_id)) {
     prefs_->SetString(google_now_extension_id + ".external_update_url",
                       extension_urls::GetWebstoreUpdateUrl().spec());
   }
 #endif
 
   LoadFinished();
 }
 
 }  // namespace extensions