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

chrome/browser/views/bookmark_bubble_view.cc

 // 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.
 
 #include "chrome/browser/views/bookmark_bubble_view.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/keyboard_codes.h"
 #include "base/string_util.h"
@@ skipping 410 matching lines @@
       static_cast<views::WidgetGtk*>(GetWidget())->GetTransientParent());
 #endif
 
   // Even though we just hid the window, we need to invoke Close to schedule
   // the delete and all that.
   Close();
 
   if (node) {
     BookmarkEditor::Show(parent, profile_, NULL,
                          BookmarkEditor::EditDetails(node),
-                         BookmarkEditor::SHOW_TREE, NULL);
+                         BookmarkEditor::SHOW_TREE);
   }
 }
 
 void BookmarkBubbleView::ApplyEdits() {
   // Set this to make sure we don't attempt to apply edits again.
   apply_edits_ = false;
 
   BookmarkModel* model = profile_->GetBookmarkModel();
   const BookmarkNode* node = model->GetMostRecentlyAddedNodeForURL(url_);
   if (node) {
@@ skipping 10 matching lines @@
       const BookmarkNode* new_parent =
           parent_model_.GetNodeAt(parent_combobox_->selected_item());
       if (new_parent != node->GetParent()) {
         UserMetrics::RecordAction(
             UserMetricsAction("BookmarkBubble_ChangeParent"), profile_);
         model->Move(node, new_parent, new_parent->GetChildCount());
       }
     }
   }
 }