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

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 9bb2137868c5a069613029a0ed8b649de4171cd4..dbc1f68f997313d6b89473a6c814dd46baba28c0 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -481,9 +481,6 @@ class Browser : public TabStripModelObserver,
   // 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();
   }