bookmarks: Move BookmarkNode into 'bookmarks' namespace.

chrome/browser/ui/cocoa/bookmarks/bookmark_drag_drop_cocoa.mm

 // Copyright 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/ui/bookmarks/bookmark_drag_drop.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <cmath>
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/bookmarks/bookmark_drag_drop.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 #import "chrome/browser/ui/cocoa/drag_util.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_node_data.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 
 using bookmarks::BookmarkModel;
+using bookmarks::BookmarkNode;
 
 namespace {
 
 // Make a drag image from the drop data.
 NSImage* MakeDragImage(BookmarkModel* model,
                        const std::vector<const BookmarkNode*>& nodes) {
   if (nodes.size() == 1) {
     const BookmarkNode* node = nodes[0];
     const gfx::Image& favicon = model->GetFavicon(node);
     return drag_util::DragImageForBookmark(
@@ skipping 52 matching lines @@
              offset:NSZeroSize
               event:drag_event
          pasteboard:[NSPasteboard pasteboardWithName:NSDragPboard]
              source:nil
           slideBack:YES];
 
   base::MessageLoop::current()->SetNestableTasksAllowed(was_nested);
 }
 
 }  // namespace chrome