Migrate WTF::HashSet::add() to ::insert() [continued]

third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
index 31d6df8e3c53ef94a5a384d66c2f36898664f21c..ec57e47f6437e4729c7b80c4b25ea8a2652a66a9 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
@@ -427,16 +427,16 @@ const AXObject* AXNodeObject::inheritsPresentationalRoleFrom() const {
 static HashSet<QualifiedName>& getLandmarkRolesNotAllowed() {
   DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, landmarkRolesNotAllowed, ());
   if (landmarkRolesNotAllowed.isEmpty()) {
-    landmarkRolesNotAllowed.add(articleTag);
-    landmarkRolesNotAllowed.add(asideTag);
-    landmarkRolesNotAllowed.add(navTag);
-    landmarkRolesNotAllowed.add(sectionTag);
-    landmarkRolesNotAllowed.add(blockquoteTag);
-    landmarkRolesNotAllowed.add(detailsTag);
-    landmarkRolesNotAllowed.add(fieldsetTag);
-    landmarkRolesNotAllowed.add(figureTag);
-    landmarkRolesNotAllowed.add(tdTag);
-    landmarkRolesNotAllowed.add(mainTag);
+    landmarkRolesNotAllowed.insert(articleTag);
+    landmarkRolesNotAllowed.insert(asideTag);
+    landmarkRolesNotAllowed.insert(navTag);
+    landmarkRolesNotAllowed.insert(sectionTag);
+    landmarkRolesNotAllowed.insert(blockquoteTag);
+    landmarkRolesNotAllowed.insert(detailsTag);
+    landmarkRolesNotAllowed.insert(fieldsetTag);
+    landmarkRolesNotAllowed.insert(figureTag);
+    landmarkRolesNotAllowed.insert(tdTag);
+    landmarkRolesNotAllowed.insert(mainTag);
   }
   return landmarkRolesNotAllowed;
 }