Mac: Empty bookmark bar should show IDS_BOOKMARKS_NO_ITEMS.

chrome/browser/cocoa/bookmark_bar_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 #include <map>
 
@@ skipping 50 matching lines @@
   // Bridge from Chrome-style C++ notifications (e.g. derived from
   // BookmarkModelObserver)
   scoped_ptr<BookmarkBarBridge> bridge_;
 
   // Delegate that can resize us.
   id<ViewResizer> resizeDelegate_;  // weak
 
   // Delegate that can open URLs for us.
   id<BookmarkURLOpener> urlDelegate_;  // weak
 
-  IBOutlet NSView* buttonView_;
+  IBOutlet BookmarkBarView* buttonView_;
   IBOutlet MenuButton* offTheSideButton_;
   IBOutlet NSMenu* buttonContextMenu_;
 }
 
 // Initializes the bookmark bar controller with the given browser
 // profile and delegates.
 - (id)initWithProfile:(Profile*)profile
          initialWidth:(float)initialWidth
        resizeDelegate:(id<ViewResizer>)resizeDelegate
           urlDelegate:(id<BookmarkURLOpener>)urlDelegate;
@@ skipping 50 matching lines @@
 - (void)nodeChildrenReordered:(BookmarkModel*)model
                          node:(const BookmarkNode*)node;
 @end
 
 
 // These APIs should only be used by unit tests (or used internally).
 @interface BookmarkBarController(InternalOrTestingAPI)
 // Set the delegate for a unit test.
 - (void)setUrlDelegate:(id<BookmarkURLOpener>)urlDelegate;
 - (void)clearBookmarkBar;
-- (NSView*)buttonView;
+- (BookmarkBarView*)buttonView;
 - (NSArray*)buttons;
 - (NSRect)frameForBookmarkButtonFromCell:(NSCell*)cell xOffset:(int*)xOffset;
 - (void)checkForBookmarkButtonGrowth:(NSButton*)button;
 - (void)frameDidChange;
 - (BOOL)offTheSideButtonIsHidden;
 - (NSMenu *)menuForFolderNode:(const BookmarkNode*)node;
 - (int64)nodeIdFromMenuTag:(int32)tag;
 - (int32)menuTagFromNodeId:(int64)menuid;
 - (void)buildOffTheSideMenu;
 - (NSMenu*)offTheSideMenu;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_