Clean up DocumentMarkerController::MarkersFor()

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

Index: third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.cpp
diff --git a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.cpp b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.cpp
index a9309fae840172d93c5b50057c0fa4918ed1b977..32ef9a8cbc1664e5ca4bebcb4b74bb690faae968 100644
--- a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.cpp
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.cpp
@@ -383,14 +383,16 @@ DocumentMarkerVector DocumentMarkerController::MarkersFor(
     Node* node,
     DocumentMarker::MarkerTypes marker_types) {
   DocumentMarkerVector result;
+  if (!PossiblyHasMarkers(marker_types))
+    return result;
 
   MarkerLists* markers = markers_.at(node);
   if (!markers)
     return result;
 
-  for (DocumentMarker::MarkerType type : DocumentMarker::AllMarkers()) {
+  for (DocumentMarker::MarkerType type : marker_types) {
     DocumentMarkerList* const list = ListForType(markers, type);
-    if (!list || list->IsEmpty() || !marker_types.Contains(type))
+    if (!list || list->IsEmpty())
       continue;
 
     result.AppendVector(list->GetMarkers());