Display a tooltip when mouse hovers over a folder in the bookmark bar.

chrome/browser/ui/views/bookmarks/bookmark_bar_view.h

 // Copyright (c) 2011 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_UI_VIEWS_BOOKMARKS_BOOKMARK_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_BAR_VIEW_H_
 #pragma once
 
 #include <set>
 
@@ skipping 280 matching lines @@
 
   // Creates the button used when not all bookmark buttons fit.
   views::MenuButton* CreateOverflowButton();
 
   // Creates the sync error button and adds it as a child view.
   views::TextButton* CreateSyncErrorButton();
 
   // Creates the button for rendering the specified bookmark node.
   views::View* CreateBookmarkButton(const BookmarkNode* node);
 
-  // COnfigures the button from the specified node. This sets the text,
+  // Configures the button from the specified node. This sets the text,
   // and icon.
   void ConfigureButton(const BookmarkNode* node, views::TextButton* button);
 
   // Implementation for BookmarkNodeAddedImpl.
   void BookmarkNodeAddedImpl(BookmarkModel* model,
                              const BookmarkNode* parent,
                              int index);
 
   // Implementation for BookmarkNodeRemoved.
   void BookmarkNodeRemovedImpl(BookmarkModel* model,
@@ skipping 109 matching lines @@
 
   BookmarkBar::State bookmark_bar_state_;
 
   // Are we animating to or from the detached state?
   bool animating_detached_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_BAR_VIEW_H_