Remove DocumentMarkerController::MarkersInRange()

third_party/WebKit/Source/core/editing/SelectionController.cpp

Index: third_party/WebKit/Source/core/editing/SelectionController.cpp
diff --git a/third_party/WebKit/Source/core/editing/SelectionController.cpp b/third_party/WebKit/Source/core/editing/SelectionController.cpp
index ac77e75ae8a58515ef8d1d34c7b81d5f84a3035f..8e9582ba466184b2b312d4ed513d17eb0bad8ffa 100644
--- a/third_party/WebKit/Source/core/editing/SelectionController.cpp
+++ b/third_party/WebKit/Source/core/editing/SelectionController.cpp
@@ -519,14 +519,15 @@ void SelectionController::SelectClosestMisspellingFromHitTestResult(
   if (pos.IsNotNull()) {
     const PositionInFlatTree& marker_position =
         pos.DeepEquivalent().ParentAnchoredEquivalent();
-    DocumentMarkerVector markers =
-        inner_node->GetDocument().Markers().MarkersInRange(
-            EphemeralRange(ToPositionInDOMTree(marker_position)),
+    Optional<DocumentMarker*> marker =

[Xiaocheng, 2017/05/11 18:25:20]

Please change type of |marker| to |const DocumentMarker* const|

+        inner_node->GetDocument().Markers().MarkerAtPosition(
+            ToPositionInDOMTree(marker_position),
             DocumentMarker::MisspellingMarkers());
-    if (markers.size() == 1) {
+    if (marker.has_value()) {
       Node* container_node = marker_position.ComputeContainerNode();
-      const PositionInFlatTree start(container_node, markers[0]->StartOffset());
-      const PositionInFlatTree end(container_node, markers[0]->EndOffset());
+      const PositionInFlatTree start(container_node,
+                                     marker.value()->StartOffset());
+      const PositionInFlatTree end(container_node, marker.value()->EndOffset());
       new_selection = CreateVisibleSelection(
           SelectionInFlatTree::Builder().Collapse(start).Extend(end).Build());
     }
@@ -1018,13 +1019,10 @@ static bool HitTestResultIsMisspelled(const HitTestResult& result) {
       inner_node->GetLayoutObject()->PositionForPoint(result.LocalPoint()));
   if (pos.IsNull())
     return false;
-  return inner_node->GetDocument()
-             .Markers()
-             .MarkersInRange(
-                 EphemeralRange(
-                     pos.DeepEquivalent().ParentAnchoredEquivalent()),
-                 DocumentMarker::MisspellingMarkers())
-             .size() > 0;
+  const Position& marker_position =
+      pos.DeepEquivalent().ParentAnchoredEquivalent();
+  return inner_node->GetDocument().Markers().MarkerAtPosition(
+      marker_position, DocumentMarker::MisspellingMarkers());
 }
 
 void SelectionController::SendContextMenuEvent(