Revert "Re-factor VisibleSelectionTest for adding tests for composed tree version"

Source/core/testing/CoreTestHelpers.cpp

Index: Source/core/testing/CoreTestHelpers.cpp
diff --git a/Source/core/testing/CoreTestHelpers.cpp b/Source/core/testing/CoreTestHelpers.cpp
deleted file mode 100644
index 559a282bb974466175984c799dc2eeb5cb9d8a30..0000000000000000000000000000000000000000
--- a/Source/core/testing/CoreTestHelpers.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2015 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 "config.h"
-#include "core/testing/CoreTestHelpers.h"
-
-#include "core/dom/Document.h"
-#include "core/dom/Range.h"
-#include "core/dom/Text.h"
-#include "core/html/HTMLElement.h"
-#include "wtf/text/StringBuilder.h"
-
-namespace blink {
-
-namespace {
-
-// Copied from "dom/Node.cpp".
-void appendAttributeDesc(const Node& node, StringBuilder& stringBuilder, const QualifiedName& name, const char* attrDesc)
-{
-    if (!node.isElementNode())
-        return;
-
-    String attr = toElement(node).getAttribute(name);
-    if (attr.isEmpty())
-        return;
-
-    stringBuilder.append(attrDesc);
-    stringBuilder.appendLiteral("=\"");
-    stringBuilder.append(attr);
-    stringBuilder.appendLiteral("\"");
-}
-
-template <typename PositionType>
-std::ostream& printPosition(std::ostream& ostream, const PositionType& position)
-{
-    if (position.isNull())
-        return ostream << "null";
-    ostream << position.anchorNode() << "@";
-    if (position.anchorType() == PositionType::PositionIsOffsetInAnchor)
-        return ostream << position.offsetInContainerNode();
-    return ostream << static_cast<Position::AnchorType>(position.anchorType());
-}
-
-} // namespace
-
-std::ostream& operator<<(std::ostream& ostream, Position::AnchorType anchorType)
-{
-    switch (anchorType) {
-    case Position::PositionIsAfterAnchor:
-        return ostream << "afterAnchor";
-    case Position::PositionIsAfterChildren:
-        return ostream << "afterChildren";
-    case Position::PositionIsBeforeAnchor:
-        return ostream << "beforeAnchor";
-    case Position::PositionIsBeforeChildren:
-        return ostream << "beforeChildren";
-    case Position::PositionIsOffsetInAnchor:
-        return ostream << "offsetInAnchor";
-    default:
-        return ostream << "anchorType=" << static_cast<int>(anchorType);
-    }
-}
-
-// |std::ostream| version of |Node::showNode|
-std::ostream& operator<<(std::ostream& ostream, const Node& node)
-{
-    ostream << node.nodeName().utf8().data();
-    if (node.isTextNode())
-        return ostream << " " << node.nodeValue();
-    StringBuilder attrs;
-    appendAttributeDesc(node, attrs, HTMLNames::idAttr, " ID");
-    appendAttributeDesc(node, attrs, HTMLNames::classAttr, " CLASS");
-    appendAttributeDesc(node, attrs, HTMLNames::styleAttr, " STYLE");
-    return ostream << attrs.toString().utf8().data();
-}
-
-std::ostream& operator<<(std::ostream& ostream, const Node* node)
-{
-    if (!node)
-        return ostream << "null";
-    return ostream << *node;
-}
-
-std::ostream& operator<<(std::ostream& ostream, const Position& position)
-{
-    return printPosition(ostream, position);
-}
-
-} // namespace blink