Remove argument to LayoutSVGResourceGradient::collectGradientAttributes

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

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright 2014 The Chromium Authors. 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.
  *
@@ skipping 118 matching lines @@
 }
 
 SVGPaintServer LayoutSVGResourcePattern::preparePaintServer(
     const LayoutObject& object) {
   clearInvalidationMask();
 
   SVGPatternElement* patternElement = toSVGPatternElement(element());
   if (!patternElement)
     return SVGPaintServer::invalid();
 
+  // Validate patter DOM state before building the actual
+  // pattern. This should avoid tearing down the pattern we're
+  // currently working on. Preferably the state validation should have
+  // no side-effects though.
   if (m_shouldCollectPatternAttributes) {
     patternElement->synchronizeAnimatedSVGAttribute(anyQName());
 
     m_attributesWrapper->set(PatternAttributes());
     patternElement->collectPatternAttributes(mutableAttributes());
     m_shouldCollectPatternAttributes = false;
   }
 
   // Spec: When the geometry of the applicable element has no width or height
   // and objectBoundingBox is specified, then the given effect (e.g. a gradient
@@ skipping 63 matching lines @@
                                         tileTransform);
     for (LayoutObject* child = patternLayoutObject->firstChild(); child;
          child = child->nextSibling())
       SVGPaintContext::paintResourceSubtree(builder.context(), child);
   }
 
   return builder.endRecording();
 }
 
 }  // namespace blink