Consolidated checks for the PaintBehaviorRenderingSVGMask flag

Source/core/rendering/svg/RenderSVGResource.cpp

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 
 #include "core/rendering/svg/RenderSVGResource.h"
 
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
 #include "core/rendering/svg/RenderSVGResourceClipper.h"
 #include "core/rendering/svg/RenderSVGResourceFilter.h"
 #include "core/rendering/svg/RenderSVGResourceMasker.h"
 #include "core/rendering/svg/RenderSVGResourceSolidColor.h"
+#include "core/rendering/svg/SVGRenderSupport.h"
 #include "core/rendering/svg/SVGResources.h"
 #include "core/rendering/svg/SVGResourcesCache.h"
 
 namespace blink {
 
 RenderSVGResource* RenderSVGResource::requestPaintingResource(RenderSVGResourceMode mode, RenderObject* object, const RenderStyle* style, bool& hasFallback)
 {
     ASSERT(object);
     ASSERT(style);
 
     hasFallback = false;
 
     // If we have no style at all, ignore it.
     const SVGRenderStyle& svgStyle = style->svgStyle();
 
-    bool isRenderingMask = false;
-    if (object->frame() && object->frame()->view())
-        isRenderingMask = object->frame()->view()->paintBehavior() & PaintBehaviorRenderingSVGMask;
+    bool isRenderingMask = SVGRenderSupport::isRenderingMaskImage(*object);
 
     // If we have no fill/stroke, return 0.
     if (mode == ApplyToFillMode) {
         // When rendering the mask for a RenderSVGResourceClipper, always use the initial fill paint server, and ignore stroke.
         if (isRenderingMask) {
             RenderSVGResourceSolidColor* colorResource = RenderSVGResource::sharedSolidPaintingResource();
             colorResource->setColor(SVGRenderStyle::initialFillPaintColor());
             return colorResource;
         }
 
@@ skipping 133 matching lines @@
             // This will process the rest of the ancestors.
             toRenderSVGResourceContainer(current)->removeAllClientsFromCache();
             break;
         }
 
         current = current->parent();
     }
 }
 
 }