1 files changed, 10 insertions, 10 deletions

diff --git a/Source/WebCore/loader/archive/Archive.cpp b/Source/WebCore/loader/archive/Archive.cpp
index 86d7558e1..5e05be22c 100644
--- a/Source/WebCore/loader/archive/Archive.cpp
+++ b/Source/WebCore/loader/archive/Archive.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008-2017 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,7 +10,7 @@
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
@@ -37,17 +37,17 @@ Archive::~Archive()
 
 void Archive::clearAllSubframeArchives()
 {
-    Vector<RefPtr<Archive>> clearedArchives;
-    clearAllSubframeArchivesImpl(&clearedArchives);
+    HashSet<Archive*> clearedArchives;
+    clearedArchives.add(this);
+    clearAllSubframeArchives(clearedArchives);
 }
 
-void Archive::clearAllSubframeArchivesImpl(Vector<RefPtr<Archive>>* clearedArchives)
+void Archive::clearAllSubframeArchives(HashSet<Archive*>& clearedArchives)
 {
-    for (Vector<RefPtr<Archive>>::iterator it = m_subframeArchives.begin(); it != m_subframeArchives.end(); ++it) {
-        if (!clearedArchives->contains(*it)) {
-            clearedArchives->append(*it);
-            (*it)->clearAllSubframeArchivesImpl(clearedArchives);
-        }
+    ASSERT(clearedArchives.contains(this));
+    for (auto& archive : m_subframeArchives) {
+        if (clearedArchives.add(archive.ptr()))
+            archive->clearAllSubframeArchives(clearedArchives);
     }
     m_subframeArchives.clear();
 }