Move closing-blank-tab logic in Browser class to DownloadUIConttroller

chrome/browser/ui/browser.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 463 matching lines @@
 
   // True when the mouse cursor is locked.
   bool IsMouseLocked() const;
 
   // Called each time the browser window is shown.
   void OnWindowDidShow();
 
   // Show the first run search engine bubble on the location bar.
   void ShowFirstRunBubble();
 
-  // Show a download on the download shelf.
-  void ShowDownload(content::DownloadItem* download);
-
   ExclusiveAccessManager* exclusive_access_manager() {
     return exclusive_access_manager_.get();
   }
 
   extensions::WindowController* extension_window_controller() const {
     return extension_window_controller_.get();
   }
 
  private:
   friend class BrowserTest;
@@ skipping 487 matching lines @@
   // The following factory is used for chrome update coalescing.
   base::WeakPtrFactory<Browser> chrome_updater_factory_;
 
   // The following factory is used to close the frame at a later time.
   base::WeakPtrFactory<Browser> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_