[Bookmarks] Remove side drawer and introduce root folder view

components/bookmarks/managed/managed_bookmark_service.cc

 // 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.
 
 #include "components/bookmarks/managed/managed_bookmark_service.h"
 
 #include <stdint.h>
 #include <stdlib.h>
 
 #include <utility>
@@ skipping 130 matching lines @@
          !IsDescendantOf(node, supervised_node_);
 }
 
 bool ManagedBookmarkService::CanSyncNode(const BookmarkNode* node) {
   return !IsDescendantOf(node, managed_node_) &&
          !IsDescendantOf(node, supervised_node_);
 }
 
 bool ManagedBookmarkService::CanBeEditedByUser(const BookmarkNode* node) {
   return !IsDescendantOf(node, managed_node_) &&
-         !IsDescendantOf(node, supervised_node_);
+         !IsDescendantOf(node, supervised_node_) && !node->is_root();

[sky, 2017/04/24 19:22:25]

How about using !is_permanent_node? (on the model)

[Theresa, 2017/04/24 20:19:10]

Done.

 }
 
 void ManagedBookmarkService::Shutdown() {
   Cleanup();
 }
 
 void ManagedBookmarkService::BookmarkModelChanged() {}
 
 void ManagedBookmarkService::BookmarkModelLoaded(BookmarkModel* bookmark_model,
                                                  bool ids_reassigned) {
@@ skipping 18 matching lines @@
   }
 
   managed_bookmarks_tracker_.reset();
   supervised_bookmarks_tracker_.reset();
 
   managed_node_ = nullptr;
   supervised_node_ = nullptr;
 }
 
 }  // namespace bookmarks