Fix leak in ShownSectionsHandler::HandleGetShownSections and...

chrome/browser/dom_ui/dom_ui_favicon_source.h

 // Copyright (c) 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_DOM_UI_DOM_UI_FAVICON_SOURCE_H_
 #define CHROME_BROWSER_DOM_UI_DOM_UI_FAVICON_SOURCE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/history/history.h"
 
 class GURL;
 class Profile;
 
 // FavIconSource is the gateway between network-level chrome:
 // requests for favicons and the history backend that serves these.
 class DOMUIFavIconSource : public ChromeURLDataManager::DataSource {
  public:
   explicit DOMUIFavIconSource(Profile* profile);
+  virtual ~DOMUIFavIconSource() { }
 
   // Called when the network layer has requested a resource underneath
   // the path we registered.
   virtual void StartDataRequest(const std::string& path, int request_id);
 
   virtual std::string GetMimeType(const std::string&) const {
     // We need to explicitly return a mime type, otherwise if the user tries to
     // drag the image they get no extension.
     return "image/png";
   }
@@ skipping 10 matching lines @@
   CancelableRequestConsumerT<int, 0> cancelable_consumer_;
 
   // Raw PNG representation of the favicon to show when the favicon
   // database doesn't have a favicon for a webpage.
   scoped_refptr<RefCountedBytes> default_favicon_;
 
   DISALLOW_COPY_AND_ASSIGN(DOMUIFavIconSource);
 };
 
 #endif  // CHROME_BROWSER_DOM_UI_DOM_UI_FAVICON_SOURCE_H_