Handlify upper layers of LoadIC.

src/objects.h

 // Copyright 2011 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 894 matching lines @@
 
   // Property access.
   MUST_USE_RESULT inline MaybeObject* GetProperty(String* key);
   MUST_USE_RESULT inline MaybeObject* GetProperty(
       String* key,
       PropertyAttributes* attributes);
   MUST_USE_RESULT MaybeObject* GetPropertyWithReceiver(
       Object* receiver,
       String* key,
       PropertyAttributes* attributes);
+
+  static Handle<Object> GetProperty(Isolate* isolate,
+                                    Handle<Object> object,
+                                    Handle<Object> receiver,
+                                    LookupResult* result,
+                                    Handle<String> key,
+                                    PropertyAttributes* attributes);
+
   MUST_USE_RESULT MaybeObject* GetProperty(Object* receiver,
                                            LookupResult* result,
                                            String* key,
                                            PropertyAttributes* attributes);
+
   MUST_USE_RESULT MaybeObject* GetPropertyWithDefinedGetter(Object* receiver,
                                                             JSReceiver* getter);
 
   inline MaybeObject* GetElement(uint32_t index);
   // For use when we know that no exception can be thrown.
   inline Object* GetElementNoExceptionThrown(uint32_t index);
   MaybeObject* GetElementWithReceiver(Object* receiver, uint32_t index);
 
   // Return the object's prototype (might be Heap::null_value()).
   Object* GetPrototype();
@@ skipping 899 matching lines @@
   // added this number can be indicated to have the backing store allocated to
   // an initial capacity for holding these properties.
   MUST_USE_RESULT MaybeObject* NormalizeProperties(
       PropertyNormalizationMode mode,
       int expected_additional_properties);
 
   // Convert and update the elements backing store to be a NumberDictionary
   // dictionary.  Returns the backing after conversion.
   MUST_USE_RESULT MaybeObject* NormalizeElements();
 
+  static void UpdateMapCodeCache(Isolate* isolate,
+                                 Handle<JSObject> object,
+                                 Handle<String> name,
+                                 Handle<Code> code);
+
   MUST_USE_RESULT MaybeObject* UpdateMapCodeCache(String* name, Code* code);
 
   // Transform slow named properties to fast variants.
   // Returns failure if allocation failed.
   MUST_USE_RESULT MaybeObject* TransformToFastProperties(
       int unused_property_fields);
 
   // Access fast-case object properties at index.
   inline Object* FastPropertyAt(int index);
   inline Object* FastPropertyAtPut(int index, Object* value);
@@ skipping 5764 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_