[wip] unprefix filter

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

 // Copyright 2014 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/FilterPainter.h"
 
 #include "core/paint/FilterEffectBuilder.h"
 #include "core/paint/LayerClipRecorder.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ skipping 12 matching lines @@
 
 FilterPainter::FilterPainter(PaintLayer& layer, GraphicsContext& context, const LayoutPoint& offsetFromRoot, const ClipRect& clipRect, PaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags,
     LayoutRect& rootRelativeBounds, bool& rootRelativeBoundsComputed)
     : m_filterInProgress(false)
     , m_context(context)
     , m_layoutObject(layer.layoutObject())
 {
     if (!layer.paintsWithFilters())
         return;
 
+    if (m_layoutObject->isSVGRoot() && m_layoutObject->style()->hasFilter())
+        return;
+
     FilterEffect* lastEffect = layer.lastFilterEffect();
     if (!lastEffect)
         return;
 
     ASSERT(layer.filterInfo());
 
     lastEffect->determineFilterPrimitiveSubregion(MapRectForward);
     sk_sp<SkImageFilter> imageFilter = SkiaImageFilterBuilder::build(lastEffect, ColorSpaceDeviceRGB);
     if (!imageFilter)
         return;
@@ skipping 40 matching lines @@
 
 FilterPainter::~FilterPainter()
 {
     if (!m_filterInProgress)
         return;
 
     m_context.getPaintController().endItem<EndFilterDisplayItem>(*m_layoutObject);
 }
 
 } // namespace blink