Remove config.h inclusion from third_party/WebKit/Source/core/.

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

 // Copyright 2015 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.
 
-#include "config.h"
 #include "core/clipboard/DraggedIsolatedFileSystem.h"
 
 namespace blink {
 
 DraggedIsolatedFileSystem::FileSystemIdPreparationCallback DraggedIsolatedFileSystem::s_prepareCallback = nullptr;
 
 void DraggedIsolatedFileSystem::init(DraggedIsolatedFileSystem::FileSystemIdPreparationCallback callback)
 {
     ASSERT(!s_prepareCallback);
     s_prepareCallback = callback;
 }
 
 void DraggedIsolatedFileSystem::prepareForDataObject(DataObject* dataObject, const String& filesystemId)
 {
     ASSERT(s_prepareCallback);
     (*s_prepareCallback)(dataObject, filesystemId);
 }
 
 }