Put SVGResourceContainer subtypes into their own property trees.

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

 // Copyright 2016 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/ObjectPaintInvalidator.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/api/LayoutPartItem.h"
@@ skipping 474 matching lines @@
   // container vs scrolling contents).
   return !m_context.paintInvalidationContainer->usesCompositedScrolling();
 }
 
 void ObjectPaintInvalidatorWithContext::invalidatePaintRectangleWithContext(
     const LayoutRect& rect,
     PaintInvalidationReason reason) {
   if (rect.isEmpty())
     return;
 
+  if (m_context.forcedSubtreeInvalidationFlags &
+      PaintInvalidatorContext::ForcedSubtreeNoRasterInvalidation)
+    return;
+
   // If the parent has fully invalidated and its visual rect covers this object
   // on the same backing, skip the invalidation.
   if (parentFullyInvalidatedOnSameBacking() &&
       (m_context.parentContext->oldVisualRect.contains(rect) ||
        m_object.parent()->visualRect().contains(rect)))
     return;
 
   invalidatePaintUsingContainer(*m_context.paintInvalidationContainer, rect,
                                 reason);
 }
@@ skipping 141 matching lines @@
 
   m_context.paintingLayer->setNeedsRepaint();
   m_object.invalidateDisplayItemClients(reason);
   return reason;
 }
 
 DisablePaintInvalidationStateAsserts::DisablePaintInvalidationStateAsserts()
     : m_disabler(&gDisablePaintInvalidationStateAsserts, true) {}
 
 }  // namespace blink