Fix webkitGetEntry for non-native files.

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

Index: third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp
diff --git a/third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp b/third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp
index ca13837a947d5cc0d1ecc1f9f90c65d4ec97b042..314dc576d045a4152b4d1cbc4f849def811d7998 100644
--- a/third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp
+++ b/third_party/WebKit/Source/core/clipboard/DataObjectItem.cpp
@@ -51,6 +51,15 @@ DataObjectItem* DataObjectItem::createFromFile(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);
@@ -161,6 +170,14 @@ bool DataObjectItem::isFilename() const {
   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);
 }