blink: Remove CHECK_CONSISTENCY.

third_party/WebKit/Source/core/layout/line/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 77 matching lines @@
          parent_style.LineHeight() == child_style.LineHeight() &&
          (parent_style.VerticalAlign() == EVerticalAlign::kBaseline ||
           is_root) &&
          child_style.VerticalAlign() == EVerticalAlign::kBaseline;
 }
 
 void InlineFlowBox::AddToLine(InlineBox* child) {
   DCHECK(!child->Parent());
   DCHECK(!child->NextOnLine());
   DCHECK(!child->PrevOnLine());
-  CheckConsistency();
 
   child->SetParent(this);
   if (!first_child_) {
     first_child_ = child;
     last_child_ = child;
   } else {
     last_child_->SetNextOnLine(child);
     child->SetPrevOnLine(last_child_);
     last_child_ = child;
   }
@@ skipping 79 matching lines @@
                 child->GetLineLayoutItem()
                     .Style(IsFirstLineStyle())
                     ->HasOutline())) {
       child->ClearKnownToHaveNoOverflow();
     }
 
     if (KnownToHaveNoOverflow() && child->IsInlineFlowBox() &&
         !ToInlineFlowBox(child)->KnownToHaveNoOverflow())
       ClearKnownToHaveNoOverflow();
   }
-
-  CheckConsistency();
 }
 
 void InlineFlowBox::RemoveChild(InlineBox* child, MarkLineBoxes mark_dirty) {
-  CheckConsistency();
-
   if (mark_dirty == kMarkLineBoxesDirty && !IsDirty())
     DirtyLineBoxes();
 
   Root().ChildRemoved(child);
 
   if (child == first_child_)
     first_child_ = child->NextOnLine();
   if (child == last_child_)
     last_child_ = child->PrevOnLine();
   if (child->NextOnLine())
     child->NextOnLine()->SetPrevOnLine(child->PrevOnLine());
   if (child->PrevOnLine())
     child->PrevOnLine()->SetNextOnLine(child->NextOnLine());
 
   child->SetParent(nullptr);
-
-  CheckConsistency();
 }
 
 void InlineFlowBox::DeleteLine() {
   InlineBox* child = FirstChild();
   InlineBox* next = nullptr;
   while (child) {
     DCHECK_EQ(this, child->Parent());
     next = child->NextOnLine();
 #if DCHECK_IS_ON()
     child->SetParent(nullptr);
@@ skipping 1481 matching lines @@
                                         int depth) const {
   InlineBox::ShowLineTreeAndMark(marked_box1, marked_label1, marked_box2,
                                  marked_label2, obj, depth);
   for (const InlineBox* box = FirstChild(); box; box = box->NextOnLine())
     box->ShowLineTreeAndMark(marked_box1, marked_label1, marked_box2,
                              marked_label2, obj, depth + 1);
 }
 
 #endif
 
-#if DCHECK_IS_ON()
-void InlineFlowBox::CheckConsistency() const {
-#ifdef CHECK_CONSISTENCY
-  DCHECK(!m_hasBadChildList);
-  const InlineBox* prev = nullptr;
-  for (const InlineBox* child = m_firstChild; child;
-       child = child->nextOnLine()) {
-    DCHECK_EQ(child->parent(), this);
-    DCHECK_EQ(child->prevOnLine(), prev);
-    prev = child;
-  }
-  DCHECK_EQ(prev, m_lastChild);
-#endif
-}
-
-#endif
-
 }  // namespace blink