[DMC #2] Add DocumentMarkerList interface and GenericDocumentMarkerListImpl

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

Index: third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.cpp
diff --git a/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.cpp b/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..587e67e74f607f166383a26bd66370935c324c11
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.cpp
@@ -0,0 +1,59 @@
+// 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/GenericDocumentMarkerListImpl.h"
+
+#include "core/editing/markers/DocumentMarkerListEditor.h"
+#include "core/editing/markers/RenderedDocumentMarker.h"
+
+namespace blink {
+
+bool GenericDocumentMarkerListImpl::IsEmpty() const {
+  return markers_.IsEmpty();
+}
+
+void GenericDocumentMarkerListImpl::Add(DocumentMarker* marker) {
+  DocumentMarkerListEditor::AddMarker(&markers_, marker);
+}
+
+void GenericDocumentMarkerListImpl::Clear() {
+  markers_.clear();
+}
+
+const HeapVector<Member<RenderedDocumentMarker>>&
+GenericDocumentMarkerListImpl::GetMarkers() const {
+  return markers_;
+}
+
+bool GenericDocumentMarkerListImpl::MoveMarkers(int length,
+                                                DocumentMarkerList* dst_list) {
+  return DocumentMarkerListEditor::MoveMarkers(&markers_, length, dst_list);
+}
+
+bool GenericDocumentMarkerListImpl::RemoveMarkers(unsigned start_offset,
+                                                  int length) {
+  return DocumentMarkerListEditor::RemoveMarkers(&markers_, start_offset,
+                                                 length);
+}
+
+bool GenericDocumentMarkerListImpl::RemoveMarkersUnderWords(
+    const String& node_text,
+    const Vector<String>& words) {
+  return DocumentMarkerListEditor::RemoveMarkersUnderWords(&markers_, node_text,
+                                                           words);
+}
+
+bool GenericDocumentMarkerListImpl::ShiftMarkers(unsigned offset,
+                                                 unsigned old_length,
+                                                 unsigned new_length) {
+  return DocumentMarkerListEditor::ShiftMarkers(&markers_, offset, old_length,
+                                                new_length);
+}
+
+DEFINE_TRACE(GenericDocumentMarkerListImpl) {
+  visitor->Trace(markers_);
+  DocumentMarkerList::Trace(visitor);
+}
+
+}  // namespace blink