Fix webkitGetEntry for non-native files.

third_party/WebKit/public/platform/WebDragData.h

 /*
  * Copyright (C) 2009 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 62 matching lines @@
     // Only valid when storageType == StorageTypeBinaryData.
     WebData binaryData;
 
     // Title associated with a link when stringType == "text/uri-list".
     // Filename when storageType == StorageTypeBinaryData.
     WebString title;
 
     // Only valid when storageType == StorageTypeFileSystemFile.
     WebURL fileSystemURL;
     long long fileSystemFileSize;
+    WebString fileSystemId;
 
     // Only valid when stringType == "text/html".
     WebURL baseURL;
   };
 
   WebDragData() : m_valid(false), m_modifierKeyState(0) {}
 
   WebDragData(const WebDragData& object)
       : m_valid(object.m_valid),
         m_itemList(object.m_itemList),
@@ skipping 40 matching lines @@
  private:
   bool m_valid;
   WebVector<Item> m_itemList;
   int m_modifierKeyState;  // State of Shift/Ctrl/Alt/Meta keys.
   WebString m_filesystemId;
 };
 
 }  // namespace blink
 
 #endif