browser: Fix some presubmit errors.

chrome/browser/bookmarks/recently_used_folders_combo_model.h

Index: chrome/browser/bookmarks/recently_used_folders_combo_model.h
diff --git a/chrome/browser/bookmarks/recently_used_folders_combo_model.h b/chrome/browser/bookmarks/recently_used_folders_combo_model.h
index 6f542dd620e4fd3010803d525494f3cf2f61914e..21bd9b7721e1b662650089e1859ff8a366429bff 100644
--- a/chrome/browser/bookmarks/recently_used_folders_combo_model.h
+++ b/chrome/browser/bookmarks/recently_used_folders_combo_model.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_RECENTLY_FOLDERS_COMBO_MODEL_H_
-#define CHROME_BROWSER_RECENTLY_FOLDERS_COMBO_MODEL_H_
+#ifndef CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
+#define CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
 #pragma once
 
 #include <vector>
@@ -22,7 +22,7 @@ class RecentlyUsedFoldersComboModel : public ComboboxModel {
   virtual int GetItemCount();
   virtual std::wstring GetItemAt(int index);
 
-  // Returns the node at the specified index.
+  // Returns the node at the specified |index|.
   const BookmarkNode* GetNodeAt(int index);
 
   // Returns the index of the original parent folder.
@@ -38,4 +38,4 @@ class RecentlyUsedFoldersComboModel : public ComboboxModel {
   DISALLOW_COPY_AND_ASSIGN(RecentlyUsedFoldersComboModel);
 };
 
-#endif  // CHROME_BROWSER_RECENTLY_FOLDERS_COMBO_MODEL_H_
+#endif  // CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_