Revert 85504 - Move download stuff to download tab helper.

content/browser/tab_contents/tab_contents.h

Index: content/browser/tab_contents/tab_contents.h
===================================================================
--- content/browser/tab_contents/tab_contents.h	(revision 85514)
+++ content/browser/tab_contents/tab_contents.h	(working copy)
@@ -44,12 +44,13 @@
 class HistoryAddPageArgs;
 }
 
+class WebUI;
+class DownloadItem;
 class Extension;
 class InfoBarDelegate;
 class LoadNotificationDetails;
 class PluginObserver;
 class Profile;
-struct RendererPreferences;
 class RenderViewHost;
 class SessionStorageNamespace;
 class SiteInstance;
@@ -58,11 +59,11 @@
 class TabContentsObserver;
 class TabContentsSSLHelper;
 class TabContentsView;
+class URLPattern;
+struct RendererPreferences;
 struct ThumbnailScore;
-class URLPattern;
 struct ViewHostMsg_FrameNavigate_Params;
 struct WebPreferences;
-class WebUI;
 
 // Describes what goes in the main content area of a tab. TabContents is
 // the only type of TabContents, and these should be merged together.
@@ -388,6 +389,13 @@
   // Returns true if a Bookmark Bar should be shown for this tab.
   virtual bool ShouldShowBookmarkBar();
 
+  // Notifies the delegate that a download is about to be started.
+  // This notification is fired before a local temporary file has been created.
+  bool CanDownload(int request_id);
+
+  // Notifies the delegate that a download started.
+  void OnStartDownload(DownloadItem* download);
+
   // Called when a ConstrainedWindow we own is about to be closed.
   void WillClose(ConstrainedWindow* window);