DocumentMarkerList refactor as an interface

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

Index: third_party/WebKit/Source/core/editing/markers/CompositionMarkerList.cpp
diff --git a/third_party/WebKit/Source/core/editing/markers/CompositionMarkerList.cpp b/third_party/WebKit/Source/core/editing/markers/CompositionMarkerList.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..46fc78fb66ab92cfe9a7e313866f1e4251f3b857
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/markers/CompositionMarkerList.cpp
@@ -0,0 +1,68 @@
+// 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/CompositionMarkerList.h"
+
+#include "core/editing/markers/DocumentMarkerListEditor.h"
+
+namespace blink {
+
+CompositionMarkerList::CompositionMarkerList() : DocumentMarkerList() {}
+
+DocumentMarker::MarkerType CompositionMarkerList::allowedMarkerType() const {
+  return DocumentMarker::Composition;
+}
+
+bool CompositionMarkerList::empty() const {
+  return m_markers.isEmpty();
+}
+
+DocumentMarker* CompositionMarkerList::at(size_t index) {
+  return m_markers[index].get();
+}
+
+void CompositionMarkerList::add(DocumentMarker* marker) {
+  m_markers.push_back(marker);
+}
+
+void CompositionMarkerList::clear() {
+  m_markers.clear();
+}
+
+void CompositionMarkerList::appendMarkersToInputList(
+    DocumentMarkerVector* list) const {
+  DocumentMarkerListEditor::appendMarkersToInputList(m_markers, list);
+}
+
+DocumentMarkerList::DidCopyMarkerOrNot CompositionMarkerList::copyMarkers(
+    unsigned startOffset,
+    int length,
+    DocumentMarkerList* dstList,
+    int delta) {
+  return DocumentMarkerListEditor::copyUnsortedMarkers(&m_markers, startOffset,
+                                                       length, dstList, delta);
+}
+
+DocumentMarkerList::DidRemoveMarkerOrNot CompositionMarkerList::removeMarkers(
+    unsigned startOffset,
+    int length,
+    bool shouldRemovePartiallyOverlappingMarkers) {
+  return DocumentMarkerListEditor::removeUnsortedMarkers(
+      &m_markers, startOffset, length, shouldRemovePartiallyOverlappingMarkers);
+}
+
+DocumentMarkerList::DidShiftMarkerOrNot CompositionMarkerList::shiftMarkers(
+    unsigned offset,
+    unsigned oldLength,
+    unsigned newLength) {
+  return DocumentMarkerListEditor::shiftUnsortedMarkers(&m_markers, offset,
+                                                        oldLength, newLength);
+}
+
+DEFINE_TRACE(CompositionMarkerList) {
+  visitor->trace(m_markers);
+  DocumentMarkerList::trace(visitor);
+}
+
+}  // namespace blink