Renamed "symbols" to "internalized strings" throughout the code base,

src/factory.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 61 matching lines @@
       int deopt_entry_count,
       PretenureFlag pretenure);
   Handle<DeoptimizationOutputData> NewDeoptimizationOutputData(
       int deopt_entry_count,
       PretenureFlag pretenure);
   // Allocates a pre-tenured empty AccessorPair.
   Handle<AccessorPair> NewAccessorPair();
 
   Handle<TypeFeedbackInfo> NewTypeFeedbackInfo();
 
-  Handle<String> LookupUtf8Symbol(Vector<const char> str);
-  Handle<String> LookupUtf8Symbol(const char* str) {
-    return LookupUtf8Symbol(CStrVector(str));
+  Handle<String> InternalizeUtf8String(Vector<const char> str);
+  Handle<String> InternalizeUtf8String(const char* str) {
+    return InternalizeUtf8String(CStrVector(str));
   }
-  Handle<String> LookupSymbol(Handle<String> str);
-  Handle<String> LookupOneByteSymbol(Vector<const uint8_t> str);
-  Handle<String> LookupOneByteSymbol(Handle<SeqOneByteString>,
+  Handle<String> InternalizeString(Handle<String> str);
+  Handle<String> InternalizeOneByteString(Vector<const uint8_t> str);
+  Handle<String> InternalizeOneByteString(Handle<SeqOneByteString>,
                                    int from,
                                    int length);
-  Handle<String> LookupTwoByteSymbol(Vector<const uc16> str);
+  Handle<String> InternalizeTwoByteString(Vector<const uc16> str);
 
 
   // String creation functions.  Most of the string creation functions take
   // a Heap::PretenureFlag argument to optionally request that they be
   // allocated in the old generation.  The pretenure flag defaults to
   // DONT_TENURE.
   //
   // Creates a new String object.  There are two String encodings: ASCII and
   // two byte.  One should choose between the three string factory functions
   // based on the encoding of the string buffer that the string is
@@ skipping 86 matching lines @@
   // Create a 'with' context.
   Handle<Context> NewWithContext(Handle<JSFunction> function,
                                  Handle<Context> previous,
                                  Handle<JSObject> extension);
 
   // Create a block context.
   Handle<Context> NewBlockContext(Handle<JSFunction> function,
                                   Handle<Context> previous,
                                   Handle<ScopeInfo> scope_info);
 
-  // Return the Symbol matching the passed in string.
-  Handle<String> SymbolFromString(Handle<String> value);
+  // Return the internalized version of the passed in string.
+  Handle<String> InternalizedStringFromString(Handle<String> value);
 
   // Allocate a new struct.  The struct is pretenured (allocated directly in
   // the old generation).
   Handle<Struct> NewStruct(InstanceType type);
 
   Handle<AccessorInfo> NewAccessorInfo();
 
   Handle<Script> NewScript(Handle<String> source);
 
   // Foreign objects are pretenured when allocated by the bootstrapper.
@@ skipping 214 matching lines @@
                          bool* pending_exception);
 
 #define ROOT_ACCESSOR(type, name, camel_name)                                  \
   inline Handle<type> name() {                                                 \
     return Handle<type>(BitCast<type**>(                                       \
         &isolate()->heap()->roots_[Heap::k##camel_name##RootIndex]));          \
   }
   ROOT_LIST(ROOT_ACCESSOR)
 #undef ROOT_ACCESSOR_ACCESSOR
 
-#define SYMBOL_ACCESSOR(name, str)                                             \
+#define STRING_ACCESSOR(name, str)                                             \
   inline Handle<String> name() {                                               \
     return Handle<String>(BitCast<String**>(                                   \
         &isolate()->heap()->roots_[Heap::k##name##RootIndex]));                \
   }
-  SYMBOL_LIST(SYMBOL_ACCESSOR)
-#undef SYMBOL_ACCESSOR
+  INTERNALIZED_STRING_LIST(STRING_ACCESSOR)
+#undef STRING_ACCESSOR
 
-  Handle<String> hidden_symbol() {
-    return Handle<String>(&isolate()->heap()->hidden_symbol_);
+  Handle<String> hidden_string() {
+    return Handle<String>(&isolate()->heap()->hidden_string_);
   }
 
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(
       Handle<String> name,
       int number_of_literals,
       Handle<Code> code,
       Handle<ScopeInfo> scope_info);
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(Handle<String> name);
 
   Handle<JSMessageObject> NewJSMessageObject(
@@ skipping 64 matching lines @@
   // Update the map cache in the native context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_