Bookmark: change Move() with no effect to keep the folder timestamp.

chrome/browser/bookmarks/bookmark_model.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/bookmarks/bookmark_model.h"
 
 #include <algorithm>
 #include <functional>
 
 #include "base/bind.h"
@@ skipping 292 matching lines @@
     NOTREACHED();
     return;
   }
 
   if (new_parent->HasAncestor(node)) {
     // Can't make an ancestor of the node be a child of the node.
     NOTREACHED();
     return;
   }
 
-  SetDateFolderModified(new_parent, Time::Now());
-
   const BookmarkNode* old_parent = node->parent();
   int old_index = old_parent->GetIndexOf(node);
 
   if (old_parent == new_parent &&
       (index == old_index || index == old_index + 1)) {
     // Node is already in this position, nothing to do.
     return;
   }
 
+  SetDateFolderModified(new_parent, Time::Now());
+
   if (old_parent == new_parent && index > old_index)
     index--;
   BookmarkNode* mutable_new_parent = AsMutable(new_parent);
   mutable_new_parent->Add(AsMutable(node), index);
 
   if (store_.get())
     store_->ScheduleSave();
 
   FOR_EACH_OBSERVER(BookmarkModelObserver, observers_,
                     BookmarkNodeMoved(this, old_parent, old_index,
@@ skipping 645 matching lines @@
   BookmarkPermanentNode* bb_node =
       CreatePermanentNode(BookmarkNode::BOOKMARK_BAR);
   BookmarkPermanentNode* other_node =
       CreatePermanentNode(BookmarkNode::OTHER_NODE);
   BookmarkPermanentNode* mobile_node =
       CreatePermanentNode(BookmarkNode::MOBILE);
   return new BookmarkLoadDetails(bb_node, other_node, mobile_node,
                                  new BookmarkIndex(profile_),
                                  next_node_id_);
 }