Fix "open all" on a folder node to open only 'marks in that folder,...

chrome/browser/cocoa/bookmark_button_cell.mm

 // 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.
 
 #import "chrome/browser/cocoa/bookmark_button_cell.h"
+#import "chrome/browser/cocoa/bookmark_menu.h"
 #import "third_party/GTM/AppKit/GTMTheme.h"
 
 @implementation BookmarkButtonCell
 
 - (id)initTextCell:(NSString *)string {
   if ((self = [super initTextCell:string])) {
     [self setButtonType:NSMomentaryPushInButton];
     [self setBezelStyle:NSShadowlessSquareBezelStyle];
     [self setShowsBorderOnlyWhileMouseInside:YES];
     [self setControlSize:NSSmallControlSize];
@@ skipping 30 matching lines @@
       [self setImagePosition:NSImageOnly];
     } else {
       [self setImagePosition:NSImageLeft];
     }
   }
   [self setTitle:title];
 }
 
 // We share the context menu among all bookmark buttons.  To allow us
 // to disambiguate when needed (e.g. "open bookmark"), we set the
-// menu's delegate to be us.  We (the cell) have the bookmark encoded
-// in our represented object.
-// Convention needed in -[BookmarkBarController openBookmarkIn***] calls.
+// menu's associated node to be our represented object.
 - (NSMenu*)menu {
-  NSMenu* menu = [super menu];
-  [menu setDelegate:self];
+  BookmarkMenu* menu = (BookmarkMenu*)[super menu];
+  [menu setRepresentedObject:[self representedObject]];
   return menu;
 }
 
 @end