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

test/cctest/test-mark-compact.cc

 // 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 164 matching lines @@
   Object* mapp;
   MaybeObject* maybe_mapp;
   do {
     maybe_mapp = HEAP->AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
   } while (maybe_mapp->ToObject(&mapp));
   HEAP->CollectGarbage(MAP_SPACE);
   mapp = HEAP->AllocateMap(JS_OBJECT_TYPE,
                            JSObject::kHeaderSize)->ToObjectChecked();
 
   // allocate a garbage
-  String* func_name =
-      String::cast(HEAP->LookupUtf8Symbol("theFunction")->ToObjectChecked());
+  String* func_name = String::cast(
+      HEAP->InternalizeUtf8String("theFunction")->ToObjectChecked());
   SharedFunctionInfo* function_share = SharedFunctionInfo::cast(
       HEAP->AllocateSharedFunctionInfo(func_name)->ToObjectChecked());
   JSFunction* function = JSFunction::cast(
       HEAP->AllocateFunction(*Isolate::Current()->function_map(),
                              function_share,
                              HEAP->undefined_value())->ToObjectChecked());
   Map* initial_map =
       Map::cast(HEAP->AllocateMap(JS_OBJECT_TYPE,
                                   JSObject::kHeaderSize)->ToObjectChecked());
   function->set_initial_map(initial_map);
   Isolate::Current()->context()->global_object()->SetProperty(
       func_name, function, NONE, kNonStrictMode)->ToObjectChecked();
 
   JSObject* obj = JSObject::cast(
       HEAP->AllocateJSObject(function)->ToObjectChecked());
   HEAP->CollectGarbage(OLD_POINTER_SPACE);
 
-  func_name =
-      String::cast(HEAP->LookupUtf8Symbol("theFunction")->ToObjectChecked());
+  func_name = String::cast(
+      HEAP->InternalizeUtf8String("theFunction")->ToObjectChecked());
   CHECK(Isolate::Current()->context()->global_object()->
         HasLocalProperty(func_name));
   Object* func_value = Isolate::Current()->context()->global_object()->
       GetProperty(func_name)->ToObjectChecked();
   CHECK(func_value->IsJSFunction());
   function = JSFunction::cast(func_value);
 
   obj = JSObject::cast(HEAP->AllocateJSObject(function)->ToObjectChecked());
   String* obj_name =
-      String::cast(HEAP->LookupUtf8Symbol("theObject")->ToObjectChecked());
+      String::cast(HEAP->InternalizeUtf8String("theObject")->ToObjectChecked());
   Isolate::Current()->context()->global_object()->SetProperty(
       obj_name, obj, NONE, kNonStrictMode)->ToObjectChecked();
   String* prop_name =
-      String::cast(HEAP->LookupUtf8Symbol("theSlot")->ToObjectChecked());
+      String::cast(HEAP->InternalizeUtf8String("theSlot")->ToObjectChecked());
   obj->SetProperty(prop_name,
                    Smi::FromInt(23),
                    NONE,
                    kNonStrictMode)->ToObjectChecked();
 
   HEAP->CollectGarbage(OLD_POINTER_SPACE);
 
   obj_name =
-      String::cast(HEAP->LookupUtf8Symbol("theObject")->ToObjectChecked());
+      String::cast(HEAP->InternalizeUtf8String("theObject")->ToObjectChecked());
   CHECK(Isolate::Current()->context()->global_object()->
         HasLocalProperty(obj_name));
   CHECK(Isolate::Current()->context()->global_object()->
         GetProperty(obj_name)->ToObjectChecked()->IsJSObject());
   obj = JSObject::cast(Isolate::Current()->context()->global_object()->
                        GetProperty(obj_name)->ToObjectChecked());
   prop_name =
-      String::cast(HEAP->LookupUtf8Symbol("theSlot")->ToObjectChecked());
+      String::cast(HEAP->InternalizeUtf8String("theSlot")->ToObjectChecked());
   CHECK(obj->GetProperty(prop_name) == Smi::FromInt(23));
 }
 
 
 // TODO(1600): compaction of map space is temporary removed from GC.
 #if 0
 static Handle<Map> CreateMap() {
   return FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
 }
 
@@ skipping 317 matching lines @@
       if (v8::internal::Snapshot::IsEnabled()) {
         CHECK_LE(delta, 2600 * 1024);
       } else {
         CHECK_LE(delta, 3100 * 1024);
       }
     }
   }
 }
 
 #endif  // __linux__ and !USE_SIMULATOR