Remove ForceHorriblySlowRectMapping

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
  * License as published by the Free Software Foundation; either
@@ skipping 361 matching lines @@
     }
     setHasOverflowClip(shouldClipOverflow);
 }
 
 bool LayoutBlock::allowsOverflowClip() const
 {
     // If overflow has been propagated to the viewport, it has no effect here.
     return node() != document().viewportDefiningElement();
 }
 
-void LayoutBlock::invalidatePaintOfSubtreesIfNeeded(const PaintInvalidationState& childPaintInvalidationState)
-{
-    LayoutBox::invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState);
-
-    // Take care of positioned objects. This is required as PaintInvalidationState keeps a single clip rect.
-    if (TrackedLayoutBoxListHashSet* positionedObjects = this->positionedObjects()) {
-        for (auto* box : *positionedObjects) {
-
-            // One of the layoutObjects we're skipping over here may be the child's paint invalidation container,
-            // so we can't pass our own paint invalidation container along.
-            const LayoutBoxModelObject& paintInvalidationContainerForChild = box->containerForPaintInvalidation();
-
-            // If it's a new paint invalidation container, we won't have properly accumulated the offset into the
-            // PaintInvalidationState.
-            // FIXME: Teach PaintInvalidationState to handle this case. crbug.com/371485
-            if (paintInvalidationContainerForChild != childPaintInvalidationState.paintInvalidationContainer()) {
-                ForceHorriblySlowRectMapping slowRectMapping(&childPaintInvalidationState);
-                PaintInvalidationState disabledPaintInvalidationState(childPaintInvalidationState, *this, paintInvalidationContainerForChild);
-                box->invalidateTreeIfNeeded(disabledPaintInvalidationState);
-                continue;
-            }
-
-            // If the positioned layoutObject is absolutely positioned and it is inside
-            // a relatively positioned inline element, we need to account for
-            // the inline elements position in PaintInvalidationState.
-            if (box->style()->position() == AbsolutePosition) {
-                LayoutObject* container = box->container(&paintInvalidationContainerForChild, 0);
-                if (container->isInFlowPositioned() && container->isLayoutInline()) {
-                    // FIXME: We should be able to use PaintInvalidationState for this.
-                    // Currently, we will place absolutely positioned elements inside
-                    // relatively positioned inline blocks in the wrong location. crbug.com/371485
-                    ForceHorriblySlowRectMapping slowRectMapping(&childPaintInvalidationState);
-                    PaintInvalidationState disabledPaintInvalidationState(childPaintInvalidationState, *this, paintInvalidationContainerForChild);
-                    box->invalidateTreeIfNeeded(disabledPaintInvalidationState);
-                    continue;
-                }
-            }
-
-            box->invalidateTreeIfNeeded(childPaintInvalidationState);
-        }
-    }
-}
-
 inline static void invalidateDisplayItemClientForStartOfContinuationsIfNeeded(const LayoutBlock& block)
 {
     // If the block is a continuation or containing block of an inline continuation, invalidate the
     // start object of the continuations if it has focus ring because change of continuation may change
     // the shape of the focus ring.
     if (!block.isAnonymous())
         return;
 
     LayoutObject* startOfContinuations = nullptr;
     if (LayoutInline* inlineElementContinuation = block.inlineElementContinuation()) {
@@ skipping 2431 matching lines @@
 void LayoutBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const LayoutObject* obj) const
 {
     showLayoutObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink