Revert 85504 - Move download stuff to download tab helper.

content/browser/tab_contents/tab_contents_delegate.h

Index: content/browser/tab_contents/tab_contents_delegate.h
===================================================================
--- content/browser/tab_contents/tab_contents_delegate.h	(revision 85514)
+++ content/browser/tab_contents/tab_contents_delegate.h	(working copy)
@@ -26,6 +26,7 @@
 }
 
 struct ContextMenuParams;
+class DownloadItem;
 class GURL;
 class HtmlDialogUIDelegate;
 struct NativeWebKeyboardEvent;
@@ -201,6 +202,10 @@
   // This is used to make painting look smoother.
   virtual int GetExtraRenderViewHeight() const;
 
+  virtual bool CanDownload(int request_id);
+
+  virtual void OnStartDownload(DownloadItem* download, TabContents* tab);
+
   // Returns true if the context menu operation was handled by the delegate.
   virtual bool HandleContextMenu(const ContextMenuParams& params);