AtomicStringTable should not be initialized lazily

third_party/WebKit/Source/wtf/text/AtomicString.h

Index: third_party/WebKit/Source/wtf/text/AtomicString.h
diff --git a/third_party/WebKit/Source/wtf/text/AtomicString.h b/third_party/WebKit/Source/wtf/text/AtomicString.h
index e90a664e370ea9bf005d58da335beef49eae28dc..0e500e18af3b4d3337fd4218bbd4c881a20393d8 100644
--- a/third_party/WebKit/Source/wtf/text/AtomicString.h
+++ b/third_party/WebKit/Source/wtf/text/AtomicString.h
@@ -21,6 +21,7 @@
 #ifndef AtomicString_h
 #define AtomicString_h
 
+#include "wtf/HashSet.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/WTFExport.h"
 #include "wtf/text/CString.h"
@@ -29,6 +30,7 @@
 namespace WTF {
 
 struct AtomicStringHash;
+class AtomicStringTable;
 
 class WTF_EXPORT AtomicString {
 public:
@@ -182,6 +184,22 @@ private:
     static AtomicString fromUTF8Internal(const char*, const char*);
 };
 
+class AtomicStringTable {
+    WTF_MAKE_NONCOPYABLE(AtomicStringTable);
+public:
+    StringImpl* addStringImpl(StringImpl*);
+
+    HashSet<StringImpl*>& table() { return m_table; }
+
+private:
+    AtomicStringTable() = default;
+    static AtomicStringTable* create();
+    static void destroy(AtomicStringTable*);
+    friend class WTFThreadData;
+
+    HashSet<StringImpl*> m_table;
+};
+
 inline bool operator==(const AtomicString& a, const AtomicString& b) { return a.impl() == b.impl(); }
 WTF_EXPORT bool operator==(const AtomicString&, const LChar*);
 inline bool operator==(const AtomicString& a, const char* b) { return WTF::equal(a.impl(), reinterpret_cast<const LChar*>(b)); }