Put SVGResourceContainer subtypes into their own property trees.

third_party/WebKit/Source/core/paint/PrePaintTreeWalk.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/PrePaintTreeWalk.h"
 
 #include "core/dom/DocumentLifecycle.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutMultiColumnSpannerPlaceholder.h"
@@ skipping 31 matching lines @@
   // block or stacking ancestor.
   PaintLayer* ancestorOverflowPaintLayer;
   PaintLayer* ancestorTransformedOrRootPaintLayer;
 };
 
 void PrePaintTreeWalk::walk(FrameView& rootFrame) {
   DCHECK(rootFrame.frame().document()->lifecycle().state() ==
          DocumentLifecycle::InPrePaint);
 
   PrePaintTreeWalkContext initialContext(m_geometryMapper);
-  m_propertyTreeBuilder.setupInitialContext(*initialContext.treeBuilderContext);
   initialContext.ancestorTransformedOrRootPaintLayer =
       rootFrame.layoutView()->layer();
 
   // GeometryMapper depends on paint properties.
   if (rootFrame.needsPaintPropertyUpdate() ||
       (rootFrame.layoutView() &&
        !shouldEndWalkBefore(*rootFrame.layoutView(), initialContext)))
     m_geometryMapper.clearCache();
 
   walk(rootFrame, initialContext);
@@ skipping 218 matching lines @@
           roundedIntPoint(context.treeBuilderContext->current.paintOffset);
       walk(*toFrameView(frameViewBase), context);
     }
     // TODO(pdr): Investigate RemoteFrameView (crbug.com/579281).
   }
 
   object.getMutableForPainting().clearPaintFlags();
 }
 
 }  // namespace blink