Move Position printer to Pointer.cpp

third_party/WebKit/Source/core/testing/CoreTestPrinters.cpp

-// 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 "core/editing/Position.h"
-#include <ios>
-#include <ostream> // NOLINT
-
-namespace blink {
-
-namespace {
-
-template <typename PositionType>
-std::ostream& printPosition(std::ostream& ostream, const PositionType& position)
-{
-    if (position.isNull())
-        return ostream << "null";
-    ostream << position.anchorNode() << "@";
-    if (position.isOffsetInAnchor())
-        return ostream << position.offsetInContainerNode();
-    return ostream << position.anchorType();
-}
-
-} // namespace
-
-std::ostream& operator<<(std::ostream& ostream, PositionAnchorType anchorType)
-{
-    switch (anchorType) {
-    case PositionAnchorType::AfterAnchor:
-        return ostream << "afterAnchor";
-    case PositionAnchorType::AfterChildren:
-        return ostream << "afterChildren";
-    case PositionAnchorType::BeforeAnchor:
-        return ostream << "beforeAnchor";
-    case PositionAnchorType::BeforeChildren:
-        return ostream << "beforeChildren";
-    case PositionAnchorType::OffsetInAnchor:
-        return ostream << "offsetInAnchor";
-    }
-    ASSERT_NOT_REACHED();
-    return ostream << "anchorType=" << static_cast<int>(anchorType);
-}
-
-std::ostream& operator<<(std::ostream& ostream, const Position& position)
-{
-    return printPosition(ostream, position);
-}
-
-std::ostream& operator<<(std::ostream& ostream, const PositionInFlatTree& position)
-{
-    return printPosition(ostream, position);
-}
-
-} // namespace blink