Revert of [strong] Object literals create strong objects

src/factory.h

 // 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 
@@ skipping 661 matching lines @@
       int end_position,
       Handle<Object> script,
       Handle<Object> stack_frames);
 
   Handle<DebugInfo> NewDebugInfo(Handle<SharedFunctionInfo> shared);
 
   // Return a map for given number of properties using the map cache in the
   // native context.
   Handle<Map> ObjectLiteralMapFromCache(Handle<Context> context,
                                         int number_of_properties,
-                                        bool is_strong,
                                         bool* is_result_from_cache);
 
   // Creates a new FixedArray that holds the data associated with the
   // atom regexp and stores it in the regexp.
   void SetRegExpAtomData(Handle<JSRegExp> regexp,
                          JSRegExp::Type type,
                          Handle<String> source,
                          JSRegExp::Flags flags,
                          Handle<Object> match_pattern);
 
@@ skipping 58 matching lines @@
   // Reinitialize a JSProxy into an (empty) JS object of respective type and
   // size, but keeping the original prototype.  The receiver must have at least
   // the size of the new object.  The object is reinitialized and behaves as an
   // object that has been freshly allocated.
   void ReinitializeJSProxy(Handle<JSProxy> proxy, InstanceType type, int size);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_