Put history insertion for downloads processing inline.

chrome/browser/download/download_manager.h

Index: chrome/browser/download/download_manager.h
diff --git a/chrome/browser/download/download_manager.h b/chrome/browser/download/download_manager.h
index 61b17be93c70045615ec40e3858d56d5bd76cba0..5659be111ea64b4b6deb9370e5dff8fe61629403 100644
--- a/chrome/browser/download/download_manager.h
+++ b/chrome/browser/download/download_manager.h
@@ -125,6 +125,17 @@ class DownloadManager
   void PauseDownload(int32 download_id, bool pause);
   void RemoveDownload(int64 download_handle);
 
+  // Determine if the download is ready for completion, i.e. has had
+  // all data received, and completed the filename determination and
+  // history insertion.
+  bool IsDownloadReadyForCompletion(int32 download_id);
+
+  // If all pre-requisites have been met, complete download processing, i.e.
+  // do internal cleanup, file rename, and potentially auto-open.
+  // (Dangerous downloads still may block on user acceptance after this
+  // point.)
+  void MaybeCompleteDownload(int32 download_id);
+
   // Called when the download is renamed to its final name.
   void DownloadRenamedToFinalName(int download_id, const FilePath& full_path);