Revert 85504 - Move download stuff to download tab helper.

content/browser/tab_contents/tab_contents_delegate.cc

Index: content/browser/tab_contents/tab_contents_delegate.cc
===================================================================
--- content/browser/tab_contents/tab_contents_delegate.cc	(revision 85514)
+++ content/browser/tab_contents/tab_contents_delegate.cc	(working copy)
@@ -93,6 +93,14 @@
   return 0;
 }
 
+bool TabContentsDelegate::CanDownload(int request_id) {
+  return true;
+}
+
+void TabContentsDelegate::OnStartDownload(DownloadItem* download,
+                                          TabContents* tab) {
+}
+
 bool TabContentsDelegate::HandleContextMenu(const ContextMenuParams& params) {
   return false;
 }