Revert of Added BookmarkClient::CanBeEditedByUser.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc

 // Copyright (c) 2012 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/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h"
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 371 matching lines @@
 bool BookmarkManagerPrivatePasteFunction::RunOnReady() {
   if (!EditBookmarksEnabled())
     return false;
 
   scoped_ptr<Paste::Params> params(Paste::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
   BookmarkModel* model = BookmarkModelFactory::GetForProfile(GetProfile());
   const BookmarkNode* parent_node = GetNodeFromString(model, params->parent_id);
   if (!CanBeModified(parent_node))
     return false;
-  bool can_paste = bookmark_utils::CanPasteFromClipboard(model, parent_node);
+  bool can_paste = bookmark_utils::CanPasteFromClipboard(parent_node);
   if (!can_paste)
     return false;
 
   // We want to use the highest index of the selected nodes as a destination.
   std::vector<const BookmarkNode*> nodes;
   // No need to test return value, if we got an empty list, we insert at end.
   if (params->selected_id_list)
     GetNodesFromVector(model, *params->selected_id_list, &nodes);
   int highest_index = -1;  // -1 means insert at end of list.
   for (size_t i = 0; i < nodes.size(); ++i) {
     // + 1 so that we insert after the selection.
     int index = parent_node->GetIndexOf(nodes[i]) + 1;
     if (index > highest_index)
       highest_index = index;
   }
 
   bookmark_utils::PasteFromClipboard(model, parent_node, highest_index);
   return true;
 }
 
 bool BookmarkManagerPrivateCanPasteFunction::RunOnReady() {
   if (!EditBookmarksEnabled())
     return false;
 
   scoped_ptr<CanPaste::Params> params(CanPaste::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
 
-  BookmarkModel* model = BookmarkModelFactory::GetForProfile(GetProfile());
-  const BookmarkNode* parent_node = GetNodeFromString(model, params->parent_id);
+  ChromeBookmarkClient* client = GetChromeBookmarkClient();
+  const BookmarkNode* parent_node =
+      GetNodeFromString(client->model(), params->parent_id);
   if (!parent_node) {
     error_ = bookmark_keys::kNoParentError;
     return false;
   }
-  bool can_paste =
-      bookmark_utils::CanPasteFromClipboard(model, parent_node);
+  bool can_paste = bookmark_utils::CanPasteFromClipboard(parent_node) &&
+                   !client->IsDescendantOfManagedNode(parent_node);
   SetResult(new base::FundamentalValue(can_paste));
   return true;
 }
 
 bool BookmarkManagerPrivateSortChildrenFunction::RunOnReady() {
   if (!EditBookmarksEnabled())
     return false;
 
   scoped_ptr<SortChildren::Params> params(SortChildren::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
@@ skipping 352 matching lines @@
   result.enabled = undo_manager->redo_count() > 0;
   result.label = base::UTF16ToUTF8(undo_manager->GetRedoLabel());
 
   results_ = RedoInfo::Results::Create(result);
 #endif  // !defined(OS_ANDROID)
 
   return true;
 }
 
 }  // namespace extensions