Revert 85504 - Move download stuff to download tab helper.

chrome/browser/ui/download/download_tab_helper.h

Index: chrome/browser/ui/download/download_tab_helper.h
===================================================================
--- chrome/browser/ui/download/download_tab_helper.h	(revision 85514)
+++ chrome/browser/ui/download/download_tab_helper.h	(working copy)
@@ -10,8 +10,6 @@
 #include "chrome/browser/download/save_package.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 
-class DownloadItem;
-class DownloadTabHelperDelegate;
 class TabContentsWrapper;
 
 // Per-tab download controller. Handles dealing with various per-tab download
@@ -21,9 +19,6 @@
   explicit DownloadTabHelper(TabContentsWrapper* tab_contents);
   virtual ~DownloadTabHelper();
 
-  DownloadTabHelperDelegate* delegate() const { return delegate_; }
-  void set_delegate(DownloadTabHelperDelegate* d) { delegate_ = d; }
-
   // Prepare for saving the current web page to disk.
   void OnSavePage();
 
@@ -40,17 +35,9 @@
   // Returns the SavePackage which manages the page saving job. May be NULL.
   SavePackage* save_package() const { return save_package_.get(); }
 
-  // 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);
-
  private:
   // TabContentsObserver overrides.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void DidGetUserGesture() OVERRIDE;
 
   // SavePackage, lazily created.
   scoped_refptr<SavePackage> save_package_;
@@ -58,10 +45,6 @@
   // Owning TabContentsWrapper.
   TabContentsWrapper* tab_contents_wrapper_;
 
-  // Delegate for notifying our owner (usually Browser) about stuff. Not owned
-  // by us.
-  DownloadTabHelperDelegate* delegate_;
-
   DISALLOW_COPY_AND_ASSIGN(DownloadTabHelper);
 };