[Bookmarks] Remove side drawer and introduce root folder view

chrome/browser/android/bookmarks/bookmark_bridge.cc

 // Copyright 2013 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/android/bookmarks/bookmark_bridge.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/android/jni_array.h"
@@ skipping 784 matching lines @@
   if (obj.is_null())
     return;
   Java_BookmarkBridge_editBookmarksEnabledChanged(env, obj);
 }
 
 bool BookmarkBridge::IsEditable(const BookmarkNode* node) const {
   if (!node || (node->type() != BookmarkNode::FOLDER &&
       node->type() != BookmarkNode::URL)) {
     return false;
   }
-  if (!IsEditBookmarksEnabled())
+  if (!IsEditBookmarksEnabled() || bookmark_model_->is_permanent_node(node))
     return false;
   if (partner_bookmarks_shim_->IsPartnerBookmark(node))
     return partner_bookmarks_shim_->IsEditable(node);
   return managed_bookmark_service_->CanBeEditedByUser(node);
 }
 
 bool BookmarkBridge::IsManaged(const BookmarkNode* node) const {
   return bookmarks::IsDescendantOf(node,
                                    managed_bookmark_service_->managed_node());
 }
@@ skipping 197 matching lines @@
   BookmarkModelChanged();
 }
 
 void BookmarkBridge::PartnerShimLoaded(PartnerBookmarksShim* shim) {
   NotifyIfDoneLoading();
 }
 
 void BookmarkBridge::ShimBeingDeleted(PartnerBookmarksShim* shim) {
   partner_bookmarks_shim_ = NULL;
 }