Move BookmarkNodeData into bookmarks namespace.

components/bookmarks/browser/bookmark_node_data.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_DATA_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_DATA_H_
 
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "ui/base/clipboard/clipboard_types.h"
 
 #include "url/gurl.h"
 #if defined(TOOLKIT_VIEWS)
 #include "ui/base/dragdrop/os_exchange_data.h"
 #endif
 
 class BookmarkModel;
 class Pickle;
 class PickleIterator;
 
+namespace bookmarks {
+
 // BookmarkNodeData is used to represent the following:
 //
 // . A single URL.
 // . A single node from the bookmark model.
 // . A set of nodes from the bookmark model.
 //
 // BookmarkNodeData is used by bookmark related views to represent a dragged
 // bookmark or bookmarks.
 //
 // Typical usage when writing data for a drag is:
@@ skipping 129 matching lines @@
   bool IsFromProfilePath(const base::FilePath& profile_path) const;
 
   // The actual elements written to the clipboard.
   std::vector<Element> elements;
 
  private:
   // Path of the profile we originated from.
   base::FilePath profile_path_;
 };
 
+}  // namespace bookmarks
+
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_DATA_H_