Eliminate Bookmarks dependence to bookmark_undo_utils.h.

chrome/browser/bookmarks/scoped_group_bookmark_actions.cc

+// Copyright (c) 2014 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/scoped_group_bookmark_actions.h"
+
+#include "chrome/browser/bookmarks/bookmark_model.h"
+#include "chrome/browser/bookmarks/bookmark_model_factory.h"
+
+ScopedGroupBookmarkActions::ScopedGroupBookmarkActions(Profile* profile)
+    : model_(NULL) {
+  if (profile)
+    model_ = BookmarkModelFactory::GetForProfile(profile);
+  if (model_)
+    model_->BeginGroupedChanges();
+}
+
+ScopedGroupBookmarkActions::ScopedGroupBookmarkActions(BookmarkModel* model)
+    : model_(model) {
+  if (model_)
+    model_->BeginGroupedChanges();
+}
+
+ScopedGroupBookmarkActions::~ScopedGroupBookmarkActions() {
+  if (model_)
+    model_->EndGroupedChanges();
+}