Limit access to ChromeBookmarkClient to bookmarks code

components/bookmarks/browser/bookmark_client.cc

 // Copyright 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 "components/bookmarks/browser/bookmark_client.h"
 
 #include "base/logging.h"
 
 namespace bookmarks {
 
-bool BookmarkClient::PreferTouchIcon() {
-  return false;
-}
-
 base::CancelableTaskTracker::TaskId BookmarkClient::GetFaviconImageForPageURL(
     const GURL& page_url,
     favicon_base::IconType type,
     const favicon_base::FaviconImageCallback& callback,
     base::CancelableTaskTracker* tracker) {
   return base::CancelableTaskTracker::kBadTaskId;
 }
 
 bool BookmarkClient::SupportsTypedCountForNodes() {
   return false;
 }
 
 void BookmarkClient::GetTypedCountForNodes(
     const NodeSet& nodes,
     NodeTypedCountPairs* node_typed_count_pairs) {
   NOTREACHED();
 }
 
 }  // namespace bookmarks