Revert paint-invalidation-container ASSERT

Source/core/rendering/RenderLayerModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010, 2012 Google Inc. 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
@@ skipping 163 matching lines @@
 
 void RenderLayerModelObject::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
     ASSERT(!needsLayout());
 
     if (!shouldCheckForPaintInvalidation(paintInvalidationState))
         return;
 
     bool establishesNewPaintInvalidationContainer = isPaintInvalidationContainer();
     const RenderLayerModelObject& newPaintInvalidationContainer = *adjustCompositedContainerForSpecialAncestors(establishesNewPaintInvalidationContainer ? this : &paintInvalidationState.paintInvalidationContainer());
-    ASSERT(&newPaintInvalidationContainer == containerForPaintInvalidation());
+    // FIXME: This assert should be re-enabled when we move paint invalidation to after compositing update. crbug.com/360286
+    // ASSERT(&newPaintInvalidationContainer == containerForPaintInvalidation());
 
     PaintInvalidationReason reason = invalidatePaintIfNeeded(paintInvalidationState, newPaintInvalidationContainer);
     clearPaintInvalidationState(paintInvalidationState);
 
     PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, newPaintInvalidationContainer);
     if (reason == PaintInvalidationLocationChange)
         childTreeWalkState.setForceCheckForPaintInvalidation();
     invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
 
@@ skipping 10 matching lines @@
             // Note: the subpixel accumulation of layer() does not need to be added here. It is already taken into account.
             squashingLayer->setNeedsDisplayInRect(pixelSnappedIntRect(paintInvalidationRect), invalidationReason);
         }
     } else {
         layer()->compositedLayerMapping()->setContentsNeedDisplayInRect(r, invalidationReason);
     }
 }
 
 } // namespace blink