Use DownloadItemModel for storing chrome/ specific UI data for DownloadItems.

chrome/browser/ui/intents/web_intent_picker_controller.cc

 // Copyright (c) 2012 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/intents/web_intent_picker_controller.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/md5.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/download/download_util.h"
+#include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/platform_app_launcher.h"
 #include "chrome/browser/extensions/webstore_installer.h"
 #include "chrome/browser/intents/cws_intents_registry_factory.h"
 #include "chrome/browser/intents/default_web_intent_service.h"
 #include "chrome/browser/intents/intent_service_host.h"
 #include "chrome/browser/intents/native_services.h"
 #include "chrome/browser/intents/web_intents_registry_factory.h"
 #include "chrome/browser/intents/web_intents_reporting.h"
@@ skipping 445 matching lines @@
   CancelDownload();
 #if defined(TOOLKIT_VIEWS)
   if (cancelled_)
     OnUserCancelledPickerDialog();
 #endif
 }
 
 void WebIntentPickerController::OnExtensionDownloadStarted(
     const std::string& id,
     content::DownloadItem* item) {
-  download_util::SetShouldShowInShelf(item, false);
+  DownloadItemModel(item).SetShouldShowInShelf(false);
   download_id_ = item->GetGlobalId();
   picker_model_->UpdateExtensionDownloadState(item);
 }
 
 void WebIntentPickerController::OnExtensionDownloadProgress(
     const std::string& id,
     content::DownloadItem* item) {
   picker_model_->UpdateExtensionDownloadState(item);
 }
 
@@ skipping 475 matching lines @@
   content::DownloadManager* download_manager =
       content::BrowserContext::GetDownloadManager(profile);
   if (!download_manager)
     return;
   content::DownloadItem* item =
       download_manager->GetDownload(download_id_.local());
   if (item)
     item->Cancel(true);
   download_id_ = content::DownloadId();
 }