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

chrome/browser/cocoa/bookmark_editor_base_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.
 
 #include <stack>
 
 #import "chrome/browser/cocoa/bookmark_editor_base_controller.h"
 #include "app/l10n_util.h"
 #include "app/l10n_util_mac.h"
 #include "base/logging.h"
@@ skipping 41 matching lines @@
 - (NSIndexPath*)selectionPathForNode:(const BookmarkNode*)node;
 
 @end
 
 // static; implemented for each platform.  Update this function for new
 // classes derived from BookmarkEditorBaseController.
 void BookmarkEditor::Show(gfx::NativeWindow parent_hwnd,
                           Profile* profile,
                           const BookmarkNode* parent,
                           const EditDetails& details,
-                          Configuration configuration,
-                          Handler* handler) {
+                          Configuration configuration) {
   BookmarkEditorBaseController* controller = nil;
+  // TODO(viettrungluu): get rid of |handler:| below and elsewhere.
   if (details.type == EditDetails::NEW_FOLDER) {
     controller = [[BookmarkAllTabsController alloc]
                   initWithParentWindow:parent_hwnd
                                profile:profile
                                 parent:parent
                          configuration:configuration
-                               handler:handler];
+                               handler:NULL];
   } else {
     controller = [[BookmarkEditorController alloc]
                   initWithParentWindow:parent_hwnd
                                profile:profile
                                 parent:parent
                                   node:details.existing_node
                          configuration:configuration
-                               handler:handler];
+                               handler:NULL];
   }
   [controller runAsModalSheet];
 }
 
 // Adapter to tell BookmarkEditorBaseController when bookmarks change.
 class BookmarkEditorBaseControllerBridge : public BookmarkModelObserver {
  public:
   BookmarkEditorBaseControllerBridge(BookmarkEditorBaseController* controller)
       : controller_(controller),
         importing_(false)
@@ skipping 515 matching lines @@
 }
 
 // Implementing isEqual: allows the NSTreeController to preserve the selection
 // and open/shut state of outline items when the data changes.
 - (BOOL)isEqual:(id)other {
   return [other isKindOfClass:[BookmarkFolderInfo class]] &&
       folderNode_ == [(BookmarkFolderInfo*)other folderNode];
 }
 
 @end