Make DownloadHistory observe manager, items

chrome/browser/ui/webui/downloads_dom_handler.cc

Index: chrome/browser/ui/webui/downloads_dom_handler.cc
diff --git a/chrome/browser/ui/webui/downloads_dom_handler.cc b/chrome/browser/ui/webui/downloads_dom_handler.cc
index 131bcfcc28758fe0e982542a5bfb8ab9cc5c939e..91ff933dd03e5220d45578b0bcd4a75910a6c33c 100644
--- a/chrome/browser/ui/webui/downloads_dom_handler.cc
+++ b/chrome/browser/ui/webui/downloads_dom_handler.cc
@@ -200,7 +200,6 @@ DictionaryValue* CreateDownloadItemValue(
 // Filters out extension downloads and downloads that don't have a filename yet.
 bool IsDownloadDisplayable(const content::DownloadItem& item) {
   return (!download_crx_util::IsExtensionDownload(item) &&
-          item.IsPersisted() &&
           !item.IsTemporary() &&
           !item.GetFileNameToReportUser().empty() &&
           !item.GetTargetFilePath().empty());
@@ -328,8 +327,6 @@ void DownloadsDOMHandler::HandleGetDownloads(const base::ListValue* args) {
   CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_GET_DOWNLOADS);
   search_text_ = ExtractStringValue(args);
   SendCurrentDownloads();
-  if (main_notifier_.GetManager())
-    main_notifier_.GetManager()->CheckForHistoryFilesRemoval();
 }
 
 void DownloadsDOMHandler::HandleOpenFile(const base::ListValue* args) {
@@ -436,10 +433,14 @@ void DownloadsDOMHandler::ScheduleSendCurrentDownloads() {
 void DownloadsDOMHandler::SendCurrentDownloads() {
   update_scheduled_ = false;
   content::DownloadManager::DownloadVector all_items, filtered_items;
-  if (main_notifier_.GetManager())
+  if (main_notifier_.GetManager()) {
     main_notifier_.GetManager()->GetAllDownloads(&all_items);
-  if (original_notifier_.get() && original_notifier_->GetManager())
+    main_notifier_.GetManager()->CheckForHistoryFilesRemoval();
+  }
+  if (original_notifier_.get() && original_notifier_->GetManager()) {
     original_notifier_->GetManager()->GetAllDownloads(&all_items);
+    original_notifier_->GetManager()->CheckForHistoryFilesRemoval();
+  }
   DownloadQuery query;
   if (!search_text_.empty()) {
     scoped_ptr<base::Value> query_text(base::Value::CreateStringValue(