Remove some unused functions in core

Source/core/page/DragData.cpp

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2013 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 31 matching lines @@
 DragData::DragData(DataObject* data, const IntPoint& clientPosition, const IntPoint& globalPosition,
     DragOperation sourceOperationMask, DragApplicationFlags flags)
     : m_clientPosition(clientPosition)
     , m_globalPosition(globalPosition)
     , m_platformDragData(data)
     , m_draggingSourceOperationMask(sourceOperationMask)
     , m_applicationFlags(flags)
 {
 }
 
-DragData::DragData(const String&, const IntPoint& clientPosition, const IntPoint& globalPosition,
-    DragOperation sourceOperationMask, DragApplicationFlags flags)
-    : m_clientPosition(clientPosition)
-    , m_globalPosition(globalPosition)
-    , m_platformDragData(nullptr)
-    , m_draggingSourceOperationMask(sourceOperationMask)
-    , m_applicationFlags(flags)
-{
-}
-
 static bool containsHTML(const DataObject* dropData)
 {
     return dropData->types().contains(mimeTypeTextHTML);
 }
 
 bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const
 {
     return m_platformDragData->types().contains(mimeTypeTextURIList)
         || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames());
 }
@@ skipping 83 matching lines @@
 
     return nullptr;
 }
 
 String DragData::droppedFileSystemId() const
 {
     return m_platformDragData->filesystemId();
 }
 
 } // namespace blink