Disables "Bookmark all tabs" item in the tab contex menu.

chrome/browser/tabs/tab_strip_model.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/tabs/tab_strip_model.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/stl_util-inl.h"
@@ skipping 642 matching lines @@
       // Close doesn't effect mini-tabs.
       return count() != IndexOfFirstNonMiniTab() &&
           context_index < (count() - 1);
     case CommandDuplicate:
       return delegate_->CanDuplicateContentsAt(context_index);
     case CommandRestoreTab:
       return delegate_->CanRestoreTab();
     case CommandTogglePinned:
       return !IsAppTab(context_index);
     case CommandBookmarkAllTabs:
-      return delegate_->CanBookmarkAllTabs();
+      return browser_defaults::bookmarks_enabled &&
+          delegate_->CanBookmarkAllTabs();
     case CommandUseVerticalTabs:
       return true;
     default:
       NOTREACHED();
   }
   return false;
 }
 
 bool TabStripModel::IsContextMenuCommandChecked(
     int context_index,
@@ skipping 393 matching lines @@
   DCHECK(ContainsIndex(index));
 
   TabContents* old_contents = GetContentsAt(index);
 
   contents_data_[index]->contents = new_contents;
 
   FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
                     TabReplacedAt(old_contents, new_contents, index, type));
   return old_contents;
 }