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

chrome/browser/cocoa/bookmark_menu.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_menu.h"
+
+
+@implementation BookmarkMenu
+
+@synthesize node = node_;
+
+// Convention in the bookmark bar controller: the bookmark button
+// cells have a BookmarkNode as their represented object.  This object
+// is placed in a BookmarkMenu at the time a cell is asked for its
+// menu.
+- (void)setRepresentedObject:(id)object {
+  if ([object isKindOfClass:[NSValue class]]) {
+    node_ = static_cast<const BookmarkNode*>([object pointerValue]);
+  }
+}
+
+@end