[WIP] Refactor DocumentMarker

third_party/WebKit/Source/core/editing/markers/SpellCheckMarker.cpp

+// Copyright 2017 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/markers/SpellCheckMarker.h"
+
+namespace blink {
+
+SpellCheckMarker::SpellCheckMarker(DocumentMarker::MarkerType type,
+                                   unsigned startOffset,
+                                   unsigned endOffset,
+                                   const String& description)
+    : DocumentMarker(startOffset, endOffset),
+      m_type(type),
+      m_description(description) {
+  DCHECK(type == DocumentMarker::Spelling || type == DocumentMarker::Grammar);
+}
+
+SpellCheckMarker* SpellCheckMarker::clone() const {
+  return new SpellCheckMarker(*this);
+}
+
+DocumentMarker::MarkerType SpellCheckMarker::type() const {
+  return m_type;
+}
+
+const String& SpellCheckMarker::description() const {
+  return m_description;
+}
+
+}  // namespace blink