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 db8e0b804d600a52af40ef9badde2d9b2bd30931..dad1c4445c68b21e03899b7bfa3b3d86aa569ceb 100644
--- a/chrome/browser/download/download_item.cc
+++ b/chrome/browser/download/download_item.cc
@@ -19,6 +19,7 @@
 #include "chrome/browser/download/download_extensions.h"
 #include "chrome/browser/download/download_file_manager.h"
 #include "chrome/browser/download/download_history.h"
+#include "chrome/browser/download/download_id.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/download/download_state_info.h"
@@ -226,6 +227,10 @@ DownloadItem::~DownloadItem() {
   download_manager_->AssertQueueStateConsistent(this);
 }
 
+DownloadId DownloadItem::global_id() 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));
@@ -645,7 +650,7 @@ void DownloadItem::OnDownloadCompleting(DownloadFileManager* file_manager) {
   if (NeedsRename()) {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
         NewRunnableMethod(file_manager,
-            &DownloadFileManager::RenameCompletingDownloadFile, id(),
+            &DownloadFileManager::RenameCompletingDownloadFile, global_id(),
             GetTargetFilePath(), safety_state() == SAFE));
     return;
   }
@@ -653,9 +658,8 @@ 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, global_id()));
 }
 
 void DownloadItem::OnDownloadRenamedToFinalName(const FilePath& full_path) {