Small cleanup to extension function registration to avoid scattered definitions.

chrome/browser/extensions/extension_bookmarks_module.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/extensions/extension_bookmarks_module.h"
 
 #include "base/json_writer.h"
 #include "base/string_util.h"
 #include "chrome/browser/bookmarks/bookmark_codec.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 342 matching lines @@
     const BookmarkNode* node = *i;
     ExtensionBookmarks::AddNode(node, json, false);
   }
 
   result_.reset(json);
   return true;
 }
 
 bool RemoveBookmarkFunction::RunImpl() {
   bool recursive = false;
-  if (name() ==
-      extension_bookmarks_module_constants::kRemoveBookmarkTreeFunction)
+  if (name() == RemoveTreeBookmarkFunction::function_name())
     recursive = true;
 
   BookmarkModel* model = profile()->GetBookmarkModel();
   int64 id;
   std::string id_string;
   if (args_->IsType(Value::TYPE_STRING) &&
       args_->GetAsString(&id_string) &&
       StringToInt64(id_string, &id)) {
     return ExtensionBookmarks::RemoveNode(model, id, recursive, &error_);
   } else {
@@ skipping 169 matching lines @@
     error_ = keys::kModifySpecialError;
     return false;
   }
   model->SetTitle(node, title);
 
   DictionaryValue* ret = ExtensionBookmarks::GetNodeDictionary(node, false);
   result_.reset(ret);
 
   return true;
 }