Get rid of BookmarkEditor::Show()'s BookmarkEditor::Handler argument.

chrome/browser/browser.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/browser.h"
 
 #include <algorithm>
 #include <string>
 
 #include "app/animation.h"
@@ skipping 2066 matching lines @@
   BookmarkModel* model = profile()->GetBookmarkModel();
   DCHECK(model && model->IsLoaded());
 
   BookmarkEditor::EditDetails details;
   details.type = BookmarkEditor::EditDetails::NEW_FOLDER;
   bookmark_utils::GetURLsForOpenTabs(this, &(details.urls));
   DCHECK(!details.urls.empty());
 
   BookmarkEditor::Show(window()->GetNativeHandle(), profile_,
                        model->GetParentForNewNodes(),  details,
-                       BookmarkEditor::SHOW_TREE, NULL);
+                       BookmarkEditor::SHOW_TREE);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, TabStripModelObserver implementation:
 
 void Browser::TabInsertedAt(TabContents* contents,
                             int index,
                             bool foreground) {
   contents->set_delegate(this);
   contents->controller().SetWindowID(session_id());
@@ skipping 1458 matching lines @@
   if (TabHasUnloadListener(contents)) {
     // If the page has unload listeners, then we tell the renderer to fire
     // them. Once they have fired, we'll get a message back saying whether
     // to proceed closing the page or not, which sends us back to this method
     // with the HasUnloadListener bit cleared.
     contents->render_view_host()->FirePageBeforeUnload(false);
     return true;
   }
   return false;
 }