Made ownership of DownloadRequestHandles clear through scoped_ptr<>

content/browser/download/download_item_factory.h

Index: content/browser/download/download_item_factory.h
diff --git a/content/browser/download/download_item_factory.h b/content/browser/download/download_item_factory.h
index 84110d9f31d6a22f5d2fa54c56b39e86fdcb93bf..7f4e472c5ab979f1bf9d388823fa936fb539a8cc 100644
--- a/content/browser/download/download_item_factory.h
+++ b/content/browser/download/download_item_factory.h
@@ -10,10 +10,11 @@
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_FACTORY_H_
 #pragma once
 
-#include "content/browser/download/download_item_impl.h"
-
 #include <string>
 
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/download/download_item_impl.h"
+
 struct DownloadCreateInfo;
 class DownloadRequestHandleInterface;
 class FilePath;
@@ -44,7 +45,7 @@ public:
   virtual content::DownloadItem* CreateActiveItem(
       DownloadItemImpl::Delegate* delegate,
       const DownloadCreateInfo& info,
-      DownloadRequestHandleInterface* request_handle,
+      scoped_ptr<DownloadRequestHandleInterface> request_handle,
       bool is_otr,
       const net::BoundNetLog& bound_net_log) = 0;