Relanding in-progress download bug fix

chrome/browser/browser.h

 // Copyright (c) 2006-2009 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include "base/basictypes.h"
 
 #include <set>
@@ skipping 414 matching lines @@
       const GURL& referrer,
       Profile* profile,
       PageTransition::Type transition,
       bool defer_load,
       SiteInstance* instance) const;
   virtual bool CanDuplicateContentsAt(int index);
   virtual void DuplicateContentsAt(int index);
   virtual void CloseFrameAfterDragSession();
   virtual void CreateHistoricalTab(TabContents* contents);
   virtual bool RunUnloadListenerBeforeClosing(TabContents* contents);
+  virtual bool CanCloseContentsAt(int index);
 
   // Overridden from TabStripModelObserver:
   virtual void TabInsertedAt(TabContents* contents,
                              int index,
                              bool foreground);
   virtual void TabClosingAt(TabContents* contents, int index);
   virtual void TabDetachedAt(TabContents* contents, int index);
   virtual void TabSelectedAt(TabContents* old_contents,
                              TabContents* new_contents,
                              int index,
@@ skipping 301 matching lines @@
   // The browser idle task helps cleanup unused memory resources when idle.
   scoped_ptr<BrowserIdleTimer> idle_task_;
 
   // Keep track of the encoding auto detect pref.
   BooleanPrefMember encoding_auto_detect_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_