Revert 121031 - Eliminate DownloadProgressUpdated.

chrome/browser/download/chrome_download_manager_delegate.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/download/chrome_download_manager_delegate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 278 matching lines @@
     const FilePath& suggested_path,
     const FilePath::StringType& default_extension,
     bool can_save_as_complete,
     content::SaveFilePathPickedCallback callback) {
   // Deletes itself.
   new SavePackageFilePicker(
       web_contents, suggested_path, default_extension, can_save_as_complete,
       download_prefs_.get(), callback);
 }
 
+void ChromeDownloadManagerDelegate::DownloadProgressUpdated() {
+  if (!g_browser_process->download_status_updater())
+    return;
+
+  float progress = 0;
+  int download_count = 0;
+  bool progress_known =
+      g_browser_process->download_status_updater()->GetProgress(
+          &progress, &download_count);
+  download_util::UpdateAppIconDownloadProgress(
+      download_count, progress_known, progress);
+}
+
 #if defined(ENABLE_SAFE_BROWSING)
 DownloadProtectionService*
     ChromeDownloadManagerDelegate::GetDownloadProtectionService() {
   SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
   if (sb_service && sb_service->download_protection_service() &&
       profile_->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled)) {
     return sb_service->download_protection_service();
   }
   return NULL;
 }
@@ skipping 282 matching lines @@
     int32 download_id, int64 db_handle) {
   // It's not immediately obvious, but HistoryBackend::CreateDownload() can
   // call this function with an invalid |db_handle|. For instance, this can
   // happen when the history database is offline. We cannot have multiple
   // DownloadItems with the same invalid db_handle, so we need to assign a
   // unique |db_handle| here.
   if (db_handle == DownloadItem::kUninitializedHandle)
     db_handle = download_history_->GetNextFakeDbHandle();
   download_manager_->OnItemAddedToPersistentStore(download_id, db_handle);
 }