Let slimmingPaintInvalidation plumbing work for spv1

third_party/WebKit/Source/core/layout/PaintInvalidationState.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/layout/PaintInvalidationState.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutInline.h"
@@ skipping 34 matching lines @@
     , m_containerForAbsolutePosition(layoutView)
     , m_pendingDelayedPaintInvalidations(pendingDelayedPaintInvalidations)
     , m_paintingLayer(*layoutView.layer())
 #if ENABLE(ASSERT)
     , m_didUpdateForChildren(false)
 #endif
 #ifdef CHECK_FAST_PATH_SLOW_PATH_EQUALITY
     , m_canCheckFastPathSlowPathEquality(layoutView == m_paintInvalidationContainer)
 #endif
 {
+    DCHECK(!RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled());
+
     if (!supportsCachedOffsets(layoutView)) {
         m_cachedOffsetsEnabled = false;
         return;
     }
 
     FloatPoint point = layoutView.localToAncestorPoint(FloatPoint(), m_paintInvalidationContainer, TraverseDocumentBoundaries | InputIsInFrameCoordinates);
     m_paintOffset = LayoutSize(point.x(), point.y());
     m_paintOffsetForAbsolutePosition = m_paintOffset;
 }
 
@@ skipping 14 matching lines @@
     , m_svgTransform(parentState.m_svgTransform)
     , m_pendingDelayedPaintInvalidations(parentState.m_pendingDelayedPaintInvalidations)
     , m_paintingLayer(currentObject.hasLayer() && toLayoutBoxModelObject(currentObject).hasSelfPaintingLayer() ? *toLayoutBoxModelObject(currentObject).layer() : parentState.m_paintingLayer)
 #if ENABLE(ASSERT)
     , m_didUpdateForChildren(false)
 #endif
 #ifdef CHECK_FAST_PATH_SLOW_PATH_EQUALITY
     , m_canCheckFastPathSlowPathEquality(parentState.m_canCheckFastPathSlowPathEquality)
 #endif
 {
+    DCHECK(!RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled());
     DCHECK(&m_paintingLayer == currentObject.paintingLayer());
 
     if (currentObject == parentState.m_currentObject) {
         // Sometimes we create a new PaintInvalidationState from parentState on the same object
         // (e.g. LayoutView, and the HorriblySlowRectMapping cases in LayoutBlock::invalidatePaintOfSubtreesIfNeeded()).
         // TODO(wangxianzhu): Avoid this for RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled().
 #if ENABLE(ASSERT)
         m_didUpdateForChildren = parentState.m_didUpdateForChildren;
 #endif
         return;
@@ skipping 445 matching lines @@
 }
 
 
 void PaintInvalidatorContextAdapter::mapLocalRectToPaintInvalidationBacking(const LayoutObject& object, LayoutRect& rect) const
 {
     DCHECK(&object == &m_paintInvalidationState.currentObject());
     m_paintInvalidationState.mapLocalRectToPaintInvalidationBacking(rect);
 }
 
 } // namespace blink