Minor optimization to v8::internal::Factory::InternalizeOneByteString.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index faee6b6ba6514476b1f673c9babe6f1163c733f7..fd0f1b383a18f67f4a6df8ee7fd65e1c4864377d 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -3524,7 +3524,8 @@ class StringTable: public HashTable<StringTable,
   // added. The return value is the string found.
   V8_EXPORT_PRIVATE static Handle<String> LookupString(Isolate* isolate,
                                                        Handle<String> key);
-  static Handle<String> LookupKey(Isolate* isolate, HashTableKey* key);
+  static V8_INLINE Handle<String> LookupKey(Isolate* isolate,
+                                            HashTableKey* key);
   static String* LookupKeyIfExists(Isolate* isolate, HashTableKey* key);
 
   // Tries to internalize given string and returns string handle on success
@@ -3548,6 +3549,9 @@ class StringTable: public HashTable<StringTable,
   DECLARE_CAST(StringTable)
 
  private:
+  static Handle<String> InsertKey(Isolate* isolate, Handle<StringTable> table,
+                                  HashTableKey* key, int32_t hash);
+
   template <bool seq_one_byte>
   friend class JsonParser;
 
@@ -9035,7 +9039,7 @@ class V8_EXPORT_PRIVATE StringHasher {
  protected:
   // Returns the value to store in the hash field of a string with
   // the given length and contents.
-  uint32_t GetHashField();
+  V8_INLINE uint32_t GetHashField();
   // Returns true if the hash of this string can be computed without
   // looking at the contents.
   inline bool has_trivial_hash();