[Offline pages] Removing offline pages from Bookmarks UI

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkUIObserver.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser.bookmarks;
 
 import org.chromium.components.bookmarks.BookmarkId;
 
 import java.util.List;
 
@@ skipping 14 matching lines @@
      * @see BookmarkDelegate#openAllBookmarks()
      */
     void onAllBookmarksStateSet();
 
     /**
      * @see BookmarkDelegate#openFolder(BookmarkId)
      */
     void onFolderStateSet(BookmarkId folder);
 
     /**
-     * @see BookmarkDelegate#openFilter(BookmarkFilter)
-     */
-    void onFilterStateSet(BookmarkFilter filter);
-
-    /**
      * Please refer to
      * {@link BookmarkDelegate#toggleSelectionForBookmark(BookmarkId)},
      * {@link BookmarkDelegate#clearSelection()} and
      * {@link BookmarkDelegate#getSelectedBookmarks()}
      */
     void onSelectionStateChange(List<BookmarkId> selectedBookmarks);
 }