Revert 154294 - Remove DownloadFileManager in favor of direct ownership of DownloadFiles.

content/browser/download/download_item_impl_delegate.cc

Index: content/browser/download/download_item_impl_delegate.cc
===================================================================
--- content/browser/download/download_item_impl_delegate.cc	(revision 154444)
+++ content/browser/download/download_item_impl_delegate.cc	(working copy)
@@ -2,11 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/logging.h"
 #include "content/browser/download/download_item_impl_delegate.h"
 
-#include "base/logging.h"
-#include "content/browser/download/download_file_factory.h"
-
 class DownloadItemImpl;
 
 // Infrastructure in DownloadItemImplDelegate to assert invariant that
@@ -27,15 +25,12 @@
   --count_;
 }
 
-void DownloadItemImplDelegate::DelegateStart(
-    DownloadItemImpl* download_item) {}
-
-bool DownloadItemImplDelegate::ShouldOpenDownload(DownloadItemImpl* download) {
+bool DownloadItemImplDelegate::ShouldOpenFileBasedOnExtension(
+    const FilePath& path) {
   return false;
 }
 
-bool DownloadItemImplDelegate::ShouldOpenFileBasedOnExtension(
-    const FilePath& path) {
+bool DownloadItemImplDelegate::ShouldOpenDownload(DownloadItemImpl* download) {
   return false;
 }