Search prototypes for accessor setters if interceptor returns empty value.

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 1969 matching lines @@
       uint32_t index,
       Object* value,
       StrictModeFlag strict_mode,
       bool check_prototype);
   MUST_USE_RESULT MaybeObject* SetElementWithoutInterceptor(
       uint32_t index,
       Object* value,
       StrictModeFlag strict_mode,
       bool check_prototype);
 
+  // Searches the prototype chain for a callback setter and sets the property
+  // with the setter if it finds one. The '*found' flag indicates whether
+  // a setter was found or not.
+  // This function can cause GC and can return a failure result with
+  // '*found==true'.
+  MUST_USE_RESULT MaybeObject* SetPropertyWithCallbackSetterInPrototypes(
+      String* name,
+      Object* value,
+      PropertyAttributes attributes,
+      bool* found,
+      StrictModeFlag strict_mode);
+
   MUST_USE_RESULT MaybeObject* DeletePropertyPostInterceptor(String* name,
                                                              DeleteMode mode);
   MUST_USE_RESULT MaybeObject* DeletePropertyWithInterceptor(String* name);
 
   MUST_USE_RESULT MaybeObject* DeleteElementWithInterceptor(uint32_t index);
 
   MUST_USE_RESULT MaybeObject* DeleteFastElement(uint32_t index);
   MUST_USE_RESULT MaybeObject* DeleteDictionaryElement(uint32_t index,
                                                        DeleteMode mode);
 
@@ skipping 5531 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_