Clean-up inline members of nested classes (chrome/)

chrome/browser/ui/webui/ntp/new_tab_ui.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_WEBUI_NTP_NEW_TAB_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 
 #include <map>
 #include <string>
 
@@ skipping 67 matching lines @@
     virtual bool ShouldReplaceExistingSource() const OVERRIDE;
 
     // Adds |resource| to the source. |resource_id| is resource id or 0,
     // which means return empty data set. |mime_type| is mime type of the
     // resource.
     void AddResource(const char* resource,
                      const char *mime_type,
                      int resource_id);
 
    private:
-    virtual ~NewTabHTMLSource() {}
+    virtual ~NewTabHTMLSource();
 
     // Pointer back to the original profile.
     Profile* profile_;
 
     // Maps resource files to mime types an resource ids.
     std::map<std::string, std::pair<std::string, int> > resource_map_;
 
     DISALLOW_COPY_AND_ASSIGN(NewTabHTMLSource);
   };
 
@@ skipping 25 matching lines @@
 
   // If the sync promo NTP bubble is being shown.
   bool showing_sync_bubble_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(NewTabUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_