Annotate ScriptWrappable-embedding singletons.

third_party/WebKit/Source/core/dom/Node.cpp

Index: third_party/WebKit/Source/core/dom/Node.cpp
diff --git a/third_party/WebKit/Source/core/dom/Node.cpp b/third_party/WebKit/Source/core/dom/Node.cpp
index 2f785864e965acf7fd723150ad610ae6007fe8cb..c3a4a031d2026c318fd7adfd80a415d6196e6683 100644
--- a/third_party/WebKit/Source/core/dom/Node.cpp
+++ b/third_party/WebKit/Source/core/dom/Node.cpp
@@ -140,6 +140,7 @@ static_assert(sizeof(Node) <= sizeof(SameSizeAsNode), "Node should stay small");
 #if DUMP_NODE_STATISTICS
 using WeakNodeSet = HeapHashSet<WeakMember<Node>>;
 static WeakNodeSet& liveNodeSet() {
+  ALLOW_UNSAFE_SINGLETON()
   DEFINE_STATIC_LOCAL(WeakNodeSet, set, (new WeakNodeSet));
   return set;
 }
@@ -1906,6 +1907,7 @@ void Node::removeAllEventListenersRecursively() {
 using EventTargetDataMap =
     PersistentHeapHashMap<WeakMember<Node>, Member<EventTargetData>>;
 static EventTargetDataMap& eventTargetDataMap() {
+  ALLOW_UNSAFE_SINGLETON()
   DEFINE_STATIC_LOCAL(EventTargetDataMap, map, ());
   return map;
 }