Make DownloadHistory observe manager, items

content/public/browser/download_manager.h

Index: content/public/browser/download_manager.h
diff --git a/content/public/browser/download_manager.h b/content/public/browser/download_manager.h
index 7501f0ef1dea5b153d8e47d642b4328687d1708c..086e39de40b451624d9ba1a6c9ef4fa93d2eb88f 100644
--- a/content/public/browser/download_manager.h
+++ b/content/public/browser/download_manager.h
@@ -185,13 +185,16 @@ class CONTENT_EXPORT DownloadManager
 
   // Called by the embedder, after creating the download manager, to let it know
   // about downloads from previous runs of the browser.
-  virtual void OnPersistentStoreQueryComplete(
-      std::vector<DownloadPersistentStoreInfo>* entries) = 0;
-
-  // Called by the embedder, in response to
-  // DownloadManagerDelegate::AddItemToPersistentStore.
-  virtual void OnItemAddedToPersistentStore(int32 download_id,
-                                            int64 db_handle) = 0;
+  virtual DownloadItem* CreateDownloadItem(
+      const FilePath& path,
+      const GURL& url,
+      const GURL& referrer_url,
+      const base::Time& start_time,
+      const base::Time& end_time,
+      int64 received_bytes,
+      int64 total_bytes,
+      DownloadItem::DownloadState state,
+      bool opened) = 0;
 
   // The number of in progress (including paused) downloads.
   virtual int InProgressCount() const = 0;