Another bookmark sync issue....

chrome/browser/cocoa/bookmark_bar_controller.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_bar_controller.h"
 #include "app/l10n_util_mac.h"
 #include "app/resource_bundle.h"
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
@@ skipping 2227 matching lines @@
       toIndex -= buttonCount;
       [folderController_ moveButtonFromIndex:fromIndex toIndex:toIndex];
     }
   }
 }
 
 - (void)removeButton:(NSInteger)buttonIndex animate:(BOOL)animate {
   if (buttonIndex < (NSInteger)[buttons_ count]) {
     // The button being removed is showing in the bar.
     BookmarkButton* oldButton = [buttons_ objectAtIndex:buttonIndex];
+    if (oldButton == [folderController_ parentButton]) {
+      // If we are deleting a button whose folder is currently open, close it!
+      [self closeAllBookmarkFolders];
+    }
     NSRect poofFrame = [oldButton bounds];
     NSPoint poofPoint = NSMakePoint(NSMidX(poofFrame), NSMidY(poofFrame));
     poofPoint = [oldButton convertPoint:poofPoint toView:nil];
     poofPoint = [[oldButton window] convertBaseToScreen:poofPoint];
     NSRect oldFrame = [oldButton frame];
     [oldButton removeFromSuperview];
     if (animate)
       NSShowAnimationEffect(NSAnimationEffectDisappearingItemDefault, poofPoint,
                             NSZeroSize, nil, nil, nil);
     CGFloat xOffset = NSWidth(oldFrame) + bookmarks::kBookmarkHorizontalPadding;
@@ skipping 12 matching lines @@
     [self reconfigureBookmarkBar];
   } else if (folderController_) {
     // The button being removed is in the OTS (off-the-side) and the OTS
     // menu is showing so we need to remove the button.
     NSInteger index = buttonIndex - displayedButtonCount_;
     [folderController_ removeButton:index animate:YES];
   }
 }
 
 @end