Cascade declared property values instead of applying values on top of each other

Source/core/rendering/style/FillLayer.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 51 matching lines @@
     , m_imageSet(useInitialValues)
     , m_attachmentSet(useInitialValues)
     , m_clipSet(useInitialValues)
     , m_originSet(useInitialValues)
     , m_repeatXSet(useInitialValues)
     , m_repeatYSet(useInitialValues)
     , m_xPosSet(useInitialValues)
     , m_yPosSet(useInitialValues)
     , m_backgroundXOriginSet(false)
     , m_backgroundYOriginSet(false)
-    , m_compositeSet(useInitialValues || type == MaskFillLayer)
+    , m_compositeSet(useInitialValues)
     , m_blendModeSet(useInitialValues)
     , m_maskSourceTypeSet(useInitialValues)
     , m_type(type)
 {
 }
 
 FillLayer::FillLayer(const FillLayer& o)
     : m_next(o.m_next ? new FillLayer(*o.m_next) : 0)
     , m_image(o.m_image)
     , m_xPosition(o.m_xPosition)
@@ skipping 288 matching lines @@
 
     return false;
 }
 
 bool FillLayer::hasRepeatXY() const
 {
     return m_repeatX == RepeatFill && m_repeatY == RepeatFill;
 }
 
 } // namespace blink