Fix webkitGetEntry for non-native files.

third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
   item->m_data = data;
   return item;
 }
 
 DataObjectItem* DataObjectItem::createFromFile(File* file) {
   DataObjectItem* item = new DataObjectItem(FileKind, file->type());
   item->m_file = file;
   return item;
 }
 
+DataObjectItem* DataObjectItem::createFromFileWithFileSystemId(
+    File* file,
+    const String& fileSystemId) {
+  DataObjectItem* item = new DataObjectItem(FileKind, file->type());
+  item->m_file = file;
+  item->m_fileSystemId = fileSystemId;
+  return item;
+}
+
 DataObjectItem* DataObjectItem::createFromURL(const String& url,
                                               const String& title) {
   DataObjectItem* item = new DataObjectItem(StringKind, mimeTypeTextURIList);
   item->m_data = url;
   item->m_title = title;
   return item;
 }
 
 DataObjectItem* DataObjectItem::createFromHTML(const String& html,
                                                const KURL& baseURL) {
@@ skipping 90 matching lines @@
              : String();
 }
 
 bool DataObjectItem::isFilename() const {
   // FIXME: https://bugs.webkit.org/show_bug.cgi?id=81261: When we properly
   // support File dragout, we'll need to make sure this works as expected for
   // DragDataChromium.
   return m_kind == FileKind && m_file;
 }
 
+bool DataObjectItem::hasFileSystemId() const {
+  return m_kind == FileKind && !m_fileSystemId.isEmpty();
+}
+
+String DataObjectItem::fileSystemId() const {
+  return m_fileSystemId;
+}
+
 DEFINE_TRACE(DataObjectItem) {
   visitor->trace(m_file);
 }
 
 }  // namespace blink