Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/platform/chromium/DragDataChromium.cpp

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
 // Modified from DragDataWin.cpp to not directly call any windows methods as
 // they may not be available to us in the multiprocess 
 
 #include "config.h"
 #include "DragData.h"
 
 #include "ChromiumDataObject.h"
 #include "ClipboardMimeTypes.h"
 #include "Document.h"
 #include "DocumentFragment.h"
+#include "DraggedIsolatedFileSystem.h"
 #include "FileSystem.h"
 #include "Frame.h"
 #include "KURL.h"
 #include "NotImplemented.h"
 #include "markup.h"
 #include <wtf/text/WTFString.h>
 
 #include <public/Platform.h>
 #include <public/WebFileUtilities.h>
 
-#if ENABLE(FILE_SYSTEM)
-#include "DraggedIsolatedFileSystem.h"
-#endif
-
 namespace WebCore {
 
 static bool containsHTML(const ChromiumDataObject* dropData)
 {
     return dropData->types().contains(mimeTypeTextHTML);
 }
 
 bool DragData::containsURL(Frame*, FilenameConversionPolicy filenamePolicy) const
 {
     return m_platformDragData->types().contains(mimeTypeTextURIList)
@@ skipping 99 matching lines @@
 
     return 0;
 }
 
 Color DragData::asColor() const
 {
     notImplemented();
     return Color();
 }
 
-#if ENABLE(FILE_SYSTEM)
 String DragData::droppedFileSystemId() const
 {
     DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(m_platformDragData);
     if (!filesystem)
         return String();
     return filesystem->filesystemId();
 }
-#endif
-
 
 } // namespace WebCore