Revert "Allow whitespace inside anonymous table cells" from M46

Source/core/dom/Text.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * 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.
  *
@@ skipping 15 matching lines @@
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/SVGNames.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/LayoutTreeBuilder.h"
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/ScopedEventQueue.h"
-#include "core/html/HTMLTableCellElement.h"
 #include "core/layout/LayoutText.h"
 #include "core/layout/LayoutTextCombine.h"
 #include "core/layout/svg/LayoutSVGInlineText.h"
 #include "core/svg/SVGForeignObjectElement.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 PassRefPtrWillBeRawPtr<Text> Text::create(Document& document, const String& data)
@@ skipping 184 matching lines @@
 Node::NodeType Text::nodeType() const
 {
     return TEXT_NODE;
 }
 
 PassRefPtrWillBeRawPtr<Node> Text::cloneNode(bool /*deep*/)
 {
     return cloneWithData(data());
 }
 
-static inline bool hasGeneratedAnonymousTableCells(const LayoutObject& parent)
-{
-    // We're checking whether the table part has generated anonymous table
-    // part wrappers to hold its contents, so inspecting its first child will suffice.
-    LayoutObject* child = parent.slowFirstChild();
-    if (!child || !child->isAnonymous())
-        return false;
-    if (child->isTableCell())
-        return true;
-    if (child->isTableSection() || child->isTableRow())
-        return hasGeneratedAnonymousTableCells(*child);
-    return false;
-}
-
-static inline bool nodeAllowsAdjacentWhitespace(Node* node)
-{
-    if (!node)
-        return true;
-    const ComputedStyle* style = node->ensureComputedStyle();
-    return style && style->originalDisplay() != TABLE_CELL && !isHTMLTableCellElement(node);
-}
-
 static inline bool canHaveWhitespaceChildren(const LayoutObject& parent, Text* text)
 {
     // <button> should allow whitespace even though LayoutFlexibleBox doesn't.
     if (parent.isLayoutButton())
         return true;
 
     if (parent.isTable() || parent.isTableRow() || parent.isTableSection()
         || parent.isLayoutTableCol() || parent.isFrameSet()
         || parent.isFlexibleBox() || parent.isLayoutGrid()
         || parent.isSVGRoot()
         || parent.isSVGContainer()
         || parent.isSVGImage()
         || parent.isSVGShape()) {
-        // Allow whitespace when the text is inside a table, section or row element that
-        // has generated anonymous table cells to hold its contents.
-        if (hasGeneratedAnonymousTableCells(parent))
-            return nodeAllowsAdjacentWhitespace(text->previousSibling()) && nodeAllowsAdjacentWhitespace(text->nextSibling());
         return false;
     }
     return true;
 }
 
 bool Text::textLayoutObjectIsNeeded(const ComputedStyle& style, const LayoutObject& parent)
 {
     if (!parent.canHaveChildren())
         return false;
 
@@ skipping 171 matching lines @@
             result.appendLiteral("; ");
         result.appendLiteral("value=");
         result.append(s);
     }
 
     strncpy(buffer, result.toString().utf8().data(), length - 1);
 }
 #endif
 
 } // namespace blink