Separate backgroundObscurationStatus and hasBoxDecorationBackground

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2011. 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
@@ skipping 156 matching lines @@
     m_overflow.reset();
     addVisualEffectOverflow();
 
     if (!shouldApplyViewportClip()) {
         FloatRect contentPaintInvalidationRect = paintInvalidationRectInLocalSVGCoordinates();
         contentPaintInvalidationRect = m_localToBorderBoxTransform.mapRect(contentPaintInvalidationRect);
         addContentsVisualOverflow(enclosingLayoutRect(contentPaintInvalidationRect));
     }
 
     updateLayerTransformAfterLayout();
-    m_hasBoxDecorationBackground = isDocumentElement() ? calculateHasBoxDecorations() : hasBoxDecorationBackground();
+    m_hasBoxDecorationBackground = isDocumentElement() ? styleRef().hasBoxDecorationBackground() : hasBoxDecorationBackground();
     invalidateBackgroundObscurationStatus();
 
     clearNeedsLayout();
 }
 
 bool LayoutSVGRoot::shouldApplyViewportClip() const
 {
     // the outermost svg is clipped if auto, and svg document roots are always clipped
     // When the svg is stand-alone (isDocumentElement() == true) the viewport clipping should always
     // be applied, noting that the window scrollbars should be hidden if overflow=hidden.
@@ skipping 21 matching lines @@
     SVGResourcesCache::clientDestroyed(this);
     LayoutReplaced::willBeDestroyed();
 }
 
 void LayoutSVGRoot::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
 {
     if (diff.needsFullLayout())
         setNeedsBoundariesUpdate();
     if (diff.needsPaintInvalidation()) {
         // Box decorations may have appeared/disappeared - recompute status.
-        m_hasBoxDecorationBackground = calculateHasBoxDecorations();
+        m_hasBoxDecorationBackground = styleRef().hasBoxDecorationBackground();
     }
 
     LayoutReplaced::styleDidChange(diff, oldStyle);
     SVGResourcesCache::clientStyleChanged(this, diff, styleRef());
 }
 
 bool LayoutSVGRoot::isChildAllowed(LayoutObject* child, const ComputedStyle&) const
 {
     return child->isSVG() && !(child->isSVGInline() || child->isSVGInlineText() || child->isSVGGradientStop());
 }
@@ skipping 188 matching lines @@
             updateHitTestResult(result, pointInBorderBox);
             if (result.addNodeToListBasedTestResult(node(), locationInContainer, boundsRect) == StopHitTesting)
                 return true;
         }
     }
 
     return false;
 }
 
 } // namespace blink