[Android] Use fallback icon if there is no large favicon on the history page

chrome/browser/ui/webui/browsing_history_handler.cc

 // Copyright 2015 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/browsing_history_handler.h"
 
 #include <stddef.h>
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/i18n/rtl.h"
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/banners/app_banner_settings_helper.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/engagement/site_engagement_service.h"
+#include "chrome/browser/favicon/fallback_icon_service_factory.h"
+#include "chrome/browser/favicon/large_icon_service_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/history_utils.h"
 #include "chrome/browser/history/web_history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
+#include "chrome/browser/ui/webui/large_icon_source.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_utils.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
+#include "components/favicon/core/fallback_icon_service.h"
+#include "components/favicon/core/fallback_url_util.h"
+#include "components/favicon/core/large_icon_service.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/history/core/browser/web_history_service.h"
 #include "components/keyed_service/core/service_access_type.h"
 #include "components/query_parser/snippet.h"
 #include "components/sync_driver/device_info.h"
 #include "components/sync_driver/device_info_tracker.h"
 #include "components/url_formatter/url_formatter.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_ui.h"
@@ skipping 165 matching lines @@
   // When the domain is empty, use the scheme instead. This allows for a
   // sensible treatment of e.g. file: URLs when group by domain is on.
   if (domain.empty())
     domain = base::UTF8ToUTF16(url.scheme() + ":");
 
   // The items which are to be written into result are also described in
   // chrome/browser/resources/history/history.js in @typedef for
   // HistoryEntry. Please update it whenever you add or remove
   // any keys in result.
   result->SetString("domain", domain);
+
+  result->SetString(
+      "fallbackFaviconText",
+      base::UTF16ToASCII(favicon::GetFallbackIconText(url)));
+
   result->SetDouble("time", time.ToJsTime());
 
   // Pass the timestamps in a list.
   scoped_ptr<base::ListValue> timestamps(new base::ListValue);
   for (std::set<int64_t>::const_iterator it = all_timestamps.begin();
        it != all_timestamps.end(); ++it) {
     timestamps->AppendDouble(base::Time::FromInternalValue(*it).ToJsTime());
   }
   result->Set("allTimestamps", timestamps.release());
 
@@ skipping 56 matching lines @@
 }
 
 BrowsingHistoryHandler::~BrowsingHistoryHandler() {
   query_task_tracker_.TryCancelAll();
   web_history_request_.reset();
 }
 
 void BrowsingHistoryHandler::RegisterMessages() {
   // Create our favicon data source.
   Profile* profile = Profile::FromWebUI(web_ui());
+
+#if defined(OS_ANDROID)
+  favicon::FallbackIconService* fallback_icon_service =
+      FallbackIconServiceFactory::GetForBrowserContext(profile);
+  favicon::LargeIconService* large_icon_service =
+      LargeIconServiceFactory::GetForBrowserContext(profile);
+  content::URLDataSource::Add(
+      profile, new LargeIconSource(fallback_icon_service, large_icon_service));
+#else
   content::URLDataSource::Add(
       profile, new FaviconSource(profile, FaviconSource::ANY));
+#endif
 
   // Get notifications when history is cleared.
   history::HistoryService* hs = HistoryServiceFactory::GetForProfile(
       profile, ServiceAccessType::EXPLICIT_ACCESS);
   if (hs)
     history_service_observer_.Add(hs);
 
   web_ui()->RegisterMessageCallback("queryHistory",
       base::Bind(&BrowsingHistoryHandler::HandleQueryHistory,
                  base::Unretained(this)));
@@ skipping 568 matching lines @@
 
 void BrowsingHistoryHandler::OnURLsDeleted(
     history::HistoryService* history_service,
     bool all_history,
     bool expired,
     const history::URLRows& deleted_rows,
     const std::set<GURL>& favicon_urls) {
   if (all_history || DeletionsDiffer(deleted_rows, urls_to_be_deleted_))
     web_ui()->CallJavascriptFunction("historyDeleted");
 }