Move enable_app_list to a buildflag.

chrome/browser/ui/webui/voice_search_ui.cc

 // Copyright 2014 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/ui/webui/voice_search_ui.h"
 
 #include <string>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/plugins/plugin_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/hotword_service.h"
 #include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/browser/ui/app_list/start_page_service.h"
 #include "chrome/browser/ui/webui/version_handler.h"
 #include "chrome/common/channel_info.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_constants.h"
+#include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/browser_resources.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_service.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/plugin_service.h"
@@ skipping 332 matching lines @@
         state = "undefined";
     }
 
     AddPair(list, name_prefix + " State", state);
 
     AddLineBreak(list);
   }
 
   // Adds information specific to voice search in the app launcher to the list.
   void AddAppListInfo(base::ListValue* list) {
-#if defined (ENABLE_APP_LIST)
+#if BUILDFLAG(ENABLE_APP_LIST)
     std::string state = "No Start Page Service";
     app_list::StartPageService* start_page_service =
         app_list::StartPageService::Get(profile_);
     if (start_page_service) {
       app_list::SpeechRecognitionState speech_state =
           start_page_service->state();
       switch (speech_state) {
         case app_list::SPEECH_RECOGNITION_OFF:
           state = "SPEECH_RECOGNITION_OFF";
           break;
@@ skipping 41 matching lines @@
 VoiceSearchUI::VoiceSearchUI(content::WebUI* web_ui)
     : content::WebUIController(web_ui) {
   Profile* profile = Profile::FromWebUI(web_ui);
   web_ui->AddMessageHandler(new VoiceSearchDomHandler(profile));
 
   // Set up the about:voicesearch source.
   content::WebUIDataSource::Add(profile, CreateVoiceSearchUiHtmlSource());
 }
 
 VoiceSearchUI::~VoiceSearchUI() {}