Remove unused instant support for chrome://large-icon and chrome://fallback-icon

chrome/browser/search/instant_service.cc

 // Copyright 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/search/instant_service.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/feature_list.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/favicon/fallback_icon_service_factory.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
-#include "chrome/browser/favicon/large_icon_service_factory.h"
 #include "chrome/browser/history/top_sites_factory.h"
 #include "chrome/browser/ntp_tiles/chrome_most_visited_sites_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/instant_io_context.h"
 #include "chrome/browser/search/instant_service_observer.h"
 #include "chrome/browser/search/most_visited_iframe_source.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search/suggestions/image_decoder_impl.h"
 #include "chrome/browser/search/suggestions/suggestions_service_factory.h"
 #include "chrome/browser/search/thumbnail_source.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/search_engines/ui_thread_search_terms_data.h"
 #include "chrome/browser/thumbnails/thumbnail_list_source.h"
 #include "chrome/browser/ui/search/instant_search_prerenderer.h"
-#include "chrome/browser/ui/webui/fallback_icon_source.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
-#include "chrome/browser/ui/webui/large_icon_source.h"
 #include "chrome/browser/ui/webui/theme_source.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/grit/theme_resources.h"
 #include "components/favicon/core/fallback_icon_service.h"
-#include "components/favicon/core/large_icon_service.h"
 #include "components/history/core/browser/top_sites.h"
 #include "components/image_fetcher/core/image_fetcher_impl.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/ntp_tiles/icon_cacher.h"
 #include "components/search/search.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/url_data_source.h"
@@ skipping 79 matching lines @@
                  content::Source<ThemeService>(
                      ThemeServiceFactory::GetForProfile(profile_)));
 
   content::URLDataSource::Add(profile_, new ThemeSource(profile_));
   content::URLDataSource::Add(profile_, new LocalNtpSource(profile_));
   content::URLDataSource::Add(profile_, new ThumbnailSource(profile_, false));
   content::URLDataSource::Add(profile_, new ThumbnailSource(profile_, true));
   content::URLDataSource::Add(profile_, new ThumbnailListSource(profile_));
 #endif  // !defined(OS_ANDROID)
 
-  favicon::FallbackIconService* fallback_icon_service =
-      FallbackIconServiceFactory::GetForBrowserContext(profile_);
-  favicon::LargeIconService* large_icon_service =
-      LargeIconServiceFactory::GetForBrowserContext(profile_);
-  content::URLDataSource::Add(
-      profile_, new FallbackIconSource(fallback_icon_service));
   content::URLDataSource::Add(profile_, new FaviconSource(profile_));
-  content::URLDataSource::Add(
-      profile_, new LargeIconSource(fallback_icon_service, large_icon_service));
   content::URLDataSource::Add(profile_, new MostVisitedIframeSource());
 }
 
 InstantService::~InstantService() = default;
 
 void InstantService::AddInstantProcess(int process_id) {
   process_ids_.insert(process_id);
 
   if (instant_io_context_.get()) {
     content::BrowserThread::PostTask(
@@ skipping 318 matching lines @@
 void InstantService::ResetInstantSearchPrerendererIfNecessary() {
   if (!search::IsInstantExtendedAPIEnabled())
     return;
 
   GURL url(search::GetSearchResultPrefetchBaseURL(profile_));
   if (!instant_prerenderer_ || instant_prerenderer_->prerender_url() != url) {
     instant_prerenderer_.reset(
         url.is_valid() ? new InstantSearchPrerenderer(profile_, url) : nullptr);
   }
 }