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..7d19df18b7b6cc7945bc107428fe025793cc3584
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/markers/CompositionMarkerList.cpp
@@ -0,0 +1,65 @@
+// 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::GetAllowedMarkerType() const {
+  return DocumentMarker::kComposition;
+}
+
+bool CompositionMarkerList::Empty() const {
+  return markers_.IsEmpty();
+}
+
+DocumentMarker* CompositionMarkerList::At(size_t index) {
+  return markers_[index].Get();
+}
+
+void CompositionMarkerList::Add(DocumentMarker* marker) {
+  markers_.push_back(marker);
+}
+
+void CompositionMarkerList::Clear() {
+  markers_.Clear();
+}
+
+void CompositionMarkerList::AppendMarkersToInputList(
+    DocumentMarkerVector* list) const {
+  list->AppendVector(markers_);
+}
+
+DocumentMarkerList::DidMoveMarkerOrNot CompositionMarkerList::MoveMarkers(
+    int length,
+    DocumentMarkerList* dst_list) {
+  return DocumentMarkerListEditor::MoveUnsortedMarkers(&markers_, length,
+                                                       dst_list);
+}
+
+DocumentMarkerList::DidRemoveMarkerOrNot CompositionMarkerList::RemoveMarkers(
+    unsigned start_offset,
+    int length) {
+  return DocumentMarkerListEditor::RemoveUnsortedMarkers(&markers_,
+                                                         start_offset, length);
+}
+
+DocumentMarkerList::DidShiftMarkerOrNot CompositionMarkerList::ShiftMarkers(
+    unsigned offset,
+    unsigned old_length,
+    unsigned new_length) {
+  return DocumentMarkerListEditor::ShiftUnsortedMarkers(&markers_, offset,
+                                                        old_length, new_length);
+}
+
+DEFINE_TRACE(CompositionMarkerList) {
+  visitor->Trace(markers_);
+  DocumentMarkerList::Trace(visitor);
+}
+
+}  // namespace blink