Drop [LegacyInterfaceTypeChecking] for most of Selection

third_party/WebKit/Source/core/editing/Selection.idl

Index: third_party/WebKit/Source/core/editing/Selection.idl
diff --git a/third_party/WebKit/Source/core/editing/Selection.idl b/third_party/WebKit/Source/core/editing/Selection.idl
index 0cc455d1129e1932ae97f75d40436b9c425af25b..005f42d4a1eec6dde38b582ae4b8a9f091f1414f 100644
--- a/third_party/WebKit/Source/core/editing/Selection.idl
+++ b/third_party/WebKit/Source/core/editing/Selection.idl
@@ -42,17 +42,15 @@
     [MeasureAs=SelectionRangeCount] readonly attribute long rangeCount;
     [MeasureAs=SelectionType] readonly attribute DOMString type;
     [MeasureAs=SelectionGetRangeAt, RaisesException] Range getRangeAt(long index);
-    [MeasureAs=SelectionAddRange, LegacyInterfaceTypeChecking] void addRange(Range range);
+    [MeasureAs=SelectionAddRange] void addRange(Range range);
     // TODO(yoichio): Implement removeRange. crbug.com/391673
     //void removeRange(Range range);
     [MeasureAs=SelectionRemoveAllRanges] void removeAllRanges();
     [MeasureAs=SelectionEmpty] void empty();
-    // TODO(yoichio): The node argument should not be nullable. crbug.com/391673
     // TODO(philipj): The offset argument should not have a default value.
-    [MeasureAs=SelectionCollapse, RaisesException, LegacyInterfaceTypeChecking] void collapse(Node? node, optional long offset = 0);
-    // TODO(yoichio): The node argument should not be nullable. crbug.com/391673
+    [MeasureAs=SelectionCollapse, RaisesException] void collapse(Node node, optional long offset = 0);
     // TODO(philipj): The offset argument should not have a default value.
-    [ImplementedAs=collapse, MeasureAs=SelectionSetPosition, RaisesException, LegacyInterfaceTypeChecking] void setPosition(Node? node, optional long offset = 0);
+    [ImplementedAs=collapse, MeasureAs=SelectionSetPosition, RaisesException] void setPosition(Node node, optional long offset = 0);
     [MeasureAs=SelectionCollapseToStart, RaisesException] void collapseToStart();
     [MeasureAs=SelectionCollapseToEnd, RaisesException] void collapseToEnd();
     // TODO(philipj): The offset argument should not have a default value.