browser: Fix some presubmit errors.

chrome/browser/extensions/extension_bookmark_helpers.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARK_HELPERS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARK_HELPERS_H_
 #pragma once
 
 #include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 
 // Helper functions.
 namespace extension_bookmark_helpers {
 
 DictionaryValue* GetNodeDictionary(const BookmarkNode* node,
                                    bool recurse,
                                    bool only_folders);
 
 // Add a JSON representation of |node| to the JSON |list|.
-void AddNode(const BookmarkNode* node,
-             ListValue* list,
-             bool recurse);
+void AddNode(const BookmarkNode* node, ListValue* list, bool recurse);
 
 void AddNodeFoldersOnly(const BookmarkNode* node,
                         ListValue* list,
                         bool recurse);
 
 bool RemoveNode(BookmarkModel* model,
                 int64 id,
                 bool recursive,
                 std::string* error);
 
-}
+}  // namespace extension_bookmark_helpers
 
-#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARKS_HELPERS_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARK_HELPERS_H_