sql::MetaTable.next_download_id, DownloadManager::GetNextId()

chrome/browser/download/download_item.cc

Index: chrome/browser/download/download_item.cc
diff --git a/chrome/browser/download/download_item.cc b/chrome/browser/download/download_item.cc
index 293e64c9064fe53fc864a2e488139053d5a26bbe..2f8b72ca4f1289cf4e77c2db1060c600210c075c 100644
--- a/chrome/browser/download/download_item.cc
+++ b/chrome/browser/download/download_item.cc
@@ -225,6 +225,10 @@ DownloadItem::~DownloadItem() {
   download_manager_->AssertQueueStateConsistent(this);
 }
 
+DownloadId DownloadItem::gid() const {
+  return DownloadId(download_manager_, id());
+}
+
 void DownloadItem::AddObserver(Observer* observer) {
   // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -644,7 +648,7 @@ void DownloadItem::OnDownloadCompleting(DownloadFileManager* file_manager) {
   if (NeedsRename()) {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
         NewRunnableMethod(file_manager,
-            &DownloadFileManager::RenameCompletingDownloadFile, id(),
+            &DownloadFileManager::RenameCompletingDownloadFile, gid(),
             GetTargetFilePath(), safety_state() == SAFE));
     return;
   }
@@ -652,9 +656,8 @@ void DownloadItem::OnDownloadCompleting(DownloadFileManager* file_manager) {
   DCHECK(!is_extension_install());
   Completed();
 
-  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      NewRunnableMethod(file_manager, &DownloadFileManager::CompleteDownload,
-                        id()));
+  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, NewRunnableMethod(
+        file_manager, &DownloadFileManager::CompleteDownload, gid()));
 }
 
 void DownloadItem::OnDownloadRenamedToFinalName(const FilePath& full_path) {