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

chrome/browser/cocoa/bookmark_bar_controller.mm

 // 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.
 
 #import "chrome/browser/cocoa/bookmark_bar_controller.h"
 #include "app/l10n_util_mac.h"
 #include "app/resource_bundle.h"
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
@@ skipping 1236 matching lines @@
   // this point (which just jumps back to objc) other than consistency
   // across platforms.
   //
   // TODO(jrg): identify when we NO_TREE.  I can see it in the code
   // for the other platforms but can't find a way to trigger it in the
   // UI.
   BookmarkEditor::Show([[self view] window],
                        browser_->profile(),
                        node->GetParent(),
                        BookmarkEditor::EditDetails(node),
-                       BookmarkEditor::SHOW_TREE,
-                       nil);
+                       BookmarkEditor::SHOW_TREE);
 }
 
 - (IBAction)cutBookmark:(id)sender {
   const BookmarkNode* node = [self nodeFromMenuItem:sender];
   if (node) {
     std::vector<const BookmarkNode*> nodes;
     nodes.push_back(node);
     bookmark_utils::CopyToClipboard(bookmarkModel_, nodes, true);
   }
 }
@@ skipping 90 matching lines @@
 // May be called from the bar or from a folder button.
 // If called from a button, that button becomes the parent.
 - (IBAction)addPage:(id)sender {
   const BookmarkNode* parent = [self nodeFromMenuItem:sender];
   if (!parent)
     parent = bookmarkModel_->GetBookmarkBarNode();
   BookmarkEditor::Show([[self view] window],
                        browser_->profile(),
                        parent,
                        BookmarkEditor::EditDetails(),
-                       BookmarkEditor::SHOW_TREE,
-                       nil);
+                       BookmarkEditor::SHOW_TREE);
 }
 
 // Might be called from the context menu over the bar OR over a
 // button.  If called from a button, that button becomes a sibling of
 // the new node.  If called from the bar, add to the end of the bar.
 - (IBAction)addFolder:(id)sender {
   const BookmarkNode* senderNode = [self nodeFromMenuItem:sender];
   const BookmarkNode* parent = NULL;
   int newIndex = 0;
   // If triggered from the bar, folder or "others" folder - add as a child to
@@ skipping 531 matching lines @@
   return 0;
 }
 
 // (BookmarkButtonDelegate protocol)
 - (void)fillPasteboard:(NSPasteboard*)pboard
        forDragOfButton:(BookmarkButton*)button {
   [[self folderTarget] fillPasteboard:pboard forDragOfButton:button];
 }
 
 @end