Delete the old hotwording integration.

chrome/browser/ui/webui/voice_search_ui.cc

Index: chrome/browser/ui/webui/voice_search_ui.cc
diff --git a/chrome/browser/ui/webui/voice_search_ui.cc b/chrome/browser/ui/webui/voice_search_ui.cc
index 3ddf0e949eb2de60e954163c0b93ba8497e634af..6731445ba4b49ed0a4761a55091f49b390d14f7e 100644
--- a/chrome/browser/ui/webui/voice_search_ui.cc
+++ b/chrome/browser/ui/webui/voice_search_ui.cc
@@ -168,12 +168,9 @@ class VoiceSearchDomHandler : public WebUIMessageHandler {
     AddHotwordInfo(list.get());
     AddAppListInfo(list.get());
 
-    std::string extension_id = extension_misc::kHotwordExtensionId;
-    HotwordService* hotword_service =
-        HotwordServiceFactory::GetForProfile(profile_);
-    if (hotword_service && hotword_service->IsExperimentalHotwordingEnabled())
-      extension_id = extension_misc::kHotwordNewExtensionId;
-    AddExtensionInfo(extension_id, "Extension", list.get());
+    AddExtensionInfo(extension_misc::kHotwordNewExtensionId,
+                     "Extension",
+                     list.get());
 
     AddExtensionInfo(extension_misc::kHotwordSharedModuleId,
                      "Shared Module",
@@ -326,11 +323,6 @@ class VoiceSearchDomHandler : public WebUIMessageHandler {
         hotword_internal::kHotwordFieldTrialName);
     AddPair(list, "Field trial", group);
 
-    std::string new_hotwording_enabled = "No";
-    if (hotword_service && hotword_service->IsExperimentalHotwordingEnabled())
-      new_hotwording_enabled = "Yes";
-    AddPair(list, "New Hotwording Enabled", new_hotwording_enabled);
-
     AddLineBreak(list);
   }