bookmarks: "Open in New Tab" menu should open the bookmark in background.

chrome/browser/bookmarks/bookmark_context_menu_controller.cc

 // Copyright (c) 2012 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/bookmarks/bookmark_context_menu_controller.h"
 
 #include "base/compiler_specific.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 95 matching lines @@
 void BookmarkContextMenuController::ExecuteCommand(int id) {
   if (delegate_)
     delegate_->WillExecuteCommand();
 
   switch (id) {
     case IDC_BOOKMARK_BAR_OPEN_ALL:
     case IDC_BOOKMARK_BAR_OPEN_ALL_INCOGNITO:
     case IDC_BOOKMARK_BAR_OPEN_ALL_NEW_WINDOW: {
       WindowOpenDisposition initial_disposition;
       if (id == IDC_BOOKMARK_BAR_OPEN_ALL) {
-        initial_disposition = NEW_FOREGROUND_TAB;
+        initial_disposition = NEW_BACKGROUND_TAB;
         content::RecordAction(
             UserMetricsAction("BookmarkBar_ContextMenu_OpenAll"));
       } else if (id == IDC_BOOKMARK_BAR_OPEN_ALL_NEW_WINDOW) {
         initial_disposition = NEW_WINDOW;
         content::RecordAction(
             UserMetricsAction("BookmarkBar_ContextMenu_OpenAllInNewWindow"));
       } else {
         initial_disposition = OFF_THE_RECORD;
         content::RecordAction(
             UserMetricsAction("BookmarkBar_ContextMenu_OpenAllIncognito"));
@@ skipping 186 matching lines @@
     delegate_->CloseMenu();
 }
 
 bool BookmarkContextMenuController::HasURLs() const {
   for (size_t i = 0; i < selection_.size(); ++i) {
     if (bookmark_utils::NodeHasURLs(selection_[i]))
       return true;
   }
   return false;
 }