Remove the global Strength enum class completely.

src/runtime/runtime-literals.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/arguments.h"
 #include "src/ast/ast.h"
 #include "src/isolate-inl.h"
@@ skipping 12 matching lines @@
   for (int p = 0; p != properties_length; p += 2) {
     Object* key = constant_properties->get(p);
     uint32_t element_index = 0;
     if (key->ToArrayIndex(&element_index)) {
       // An index key does not require space in the property backing store.
       number_of_properties--;
     }
   }
   Isolate* isolate = context->GetIsolate();
   return isolate->factory()->ObjectLiteralMapFromCache(
-      context, number_of_properties, false, is_result_from_cache);
+      context, number_of_properties, is_result_from_cache);
 }
 
 MUST_USE_RESULT static MaybeHandle<Object> CreateLiteralBoilerplate(
     Isolate* isolate, Handle<LiteralsArray> literals,
     Handle<FixedArray> constant_properties);
 
 MUST_USE_RESULT static MaybeHandle<Object> CreateObjectLiteralBoilerplate(
     Isolate* isolate, Handle<LiteralsArray> literals,
     Handle<FixedArray> constant_properties, bool should_have_fast_elements,
     bool has_function_literal) {
@@ skipping 338 matching lines @@
   Handle<LiteralsArray> literals(closure->literals(), isolate);
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       CreateArrayLiteralImpl(isolate, literals, literals_index, elements,
                              ArrayLiteral::kShallowElements));
   return *result;
 }
 
 }  // namespace internal
 }  // namespace v8