[DMC #7] Only create RenderedDocumentMarkers for TextMatchMarkerListImpl

third_party/WebKit/Source/core/editing/markers/SpellCheckMarkerListImpl.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/SpellCheckMarkerListImpl.h"
 
 #include "core/editing/markers/DocumentMarkerListEditor.h"
 #include "core/editing/markers/RenderedDocumentMarker.h"
 
 namespace blink {
 
 bool SpellCheckMarkerListImpl::IsEmpty() const {
   return markers_.IsEmpty();
 }
 
 void SpellCheckMarkerListImpl::Add(DocumentMarker* marker) {
   RenderedDocumentMarker* rendered_marker =
       RenderedDocumentMarker::Create(*marker);
   if (markers_.IsEmpty() ||
       markers_.back()->EndOffset() < marker->StartOffset()) {
     markers_.push_back(rendered_marker);
     return;
   }
 
   auto first_overlapping = std::lower_bound(
       markers_.begin(), markers_.end(), rendered_marker,
-      [](const Member<RenderedDocumentMarker>& marker_in_list,
+      [](const Member<DocumentMarker>& marker_in_list,
          const DocumentMarker* marker_to_insert) {
         return marker_in_list->EndOffset() < marker_to_insert->StartOffset();
       });
 
   size_t index = first_overlapping - markers_.begin();
   markers_.insert(index, rendered_marker);
   const auto inserted = markers_.begin() + index;
   first_overlapping = inserted + 1;
   // TODO(rlanday): optimize this loop so it runs in O(N) time and not O(N^2)
   for (const auto i = first_overlapping;
        i != markers_.end() &&
        (*i)->StartOffset() <= (*inserted)->EndOffset();) {
     (*inserted)->SetStartOffset(
         std::min((*inserted)->StartOffset(), (*i)->StartOffset()));
     (*inserted)->SetEndOffset(
         std::max((*inserted)->EndOffset(), (*i)->EndOffset()));
     markers_.erase(i - markers_.begin());
   }
 }
 
 void SpellCheckMarkerListImpl::Clear() {
   markers_.clear();
 }
 
-const HeapVector<Member<RenderedDocumentMarker>>&
-SpellCheckMarkerListImpl::GetMarkers() const {
+const HeapVector<Member<DocumentMarker>>& SpellCheckMarkerListImpl::GetMarkers()
+    const {
   return markers_;
 }
 
 bool SpellCheckMarkerListImpl::MoveMarkers(int length,
                                            DocumentMarkerList* dst_list) {
   return DocumentMarkerListEditor::MoveMarkers(&markers_, length, dst_list);
 }
 
 bool SpellCheckMarkerListImpl::RemoveMarkers(unsigned start_offset,
                                              int length) {
@@ skipping 24 matching lines @@
     const String& marker_text = node_text.Substring(start, length);
     if (words.Contains(marker_text)) {
       markers_.erase(j - 1);
       removed_markers = true;
     }
   }
   return removed_markers;
 }
 
 }  // namespace blink