Revert of Internalize strings in-place

test/cctest/test-strings.cc

Index: test/cctest/test-strings.cc
diff --git a/test/cctest/test-strings.cc b/test/cctest/test-strings.cc
index ff3b7bddaa094edf0e5b68ad15a420378838b74f..d7b51f8274cbaf35058f14ad7ebb38ac2866d1fb 100644
--- a/test/cctest/test-strings.cc
+++ b/test/cctest/test-strings.cc
@@ -1195,31 +1195,6 @@
   i::Vector<const char> data_;
 };
 
-TEST(InternalizeExternal) {
-  i::Isolate* isolate = CcTest::i_isolate();
-  Factory* factory = isolate->factory();
-  // This won't leak; the external string mechanism will call Dispose() on it.
-  OneByteVectorResource* resource =
-      new OneByteVectorResource(i::Vector<const char>("prop", 4));
-  {
-    v8::HandleScope scope(CcTest::isolate());
-    v8::Local<v8::String> ext_string =
-        v8::String::NewExternalOneByte(CcTest::isolate(), resource)
-            .ToLocalChecked();
-    Handle<String> string = v8::Utils::OpenHandle(*ext_string);
-    CHECK(string->IsExternalString());
-    CHECK(!string->IsInternalizedString());
-    CHECK(isolate->heap()->InNewSpace(*string));
-    factory->InternalizeName(string);
-    CHECK(string->IsThinString());
-    CcTest::CollectGarbage(i::NEW_SPACE);
-    CcTest::CollectGarbage(i::NEW_SPACE);
-    CHECK(string->IsInternalizedString());
-    CHECK(!isolate->heap()->InNewSpace(*string));
-  }
-  CcTest::CollectGarbage(i::OLD_SPACE);
-  CcTest::CollectGarbage(i::OLD_SPACE);
-}
 
 TEST(SliceFromExternal) {
   FLAG_string_slices = true;