Introduce extended mode.

src/handles.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 206 matching lines @@
     Handle<Object> value,
     PropertyAttributes attributes);
 
 // Used to set local properties on the object we totally control
 // and which therefore has no accessors and alikes.
 void SetLocalPropertyNoThrow(Handle<JSObject> object,
                              Handle<String> key,
                              Handle<Object> value,
                              PropertyAttributes attributes = NONE);
 
-Handle<Object> SetPropertyWithInterceptor(Handle<JSObject> object,
-                                          Handle<String> key,
-                                          Handle<Object> value,
-                                          PropertyAttributes attributes,
-                                          StrictModeFlag strict_mode);
-
 MUST_USE_RESULT Handle<Object> SetElement(Handle<JSObject> object,
                                           uint32_t index,
                                           Handle<Object> value,
                                           StrictModeFlag strict_mode);
 
 Handle<Object> SetOwnElement(Handle<JSObject> object,
                              uint32_t index,
                              Handle<Object> value,
                              StrictModeFlag strict_mode);
 
@@ skipping 119 matching lines @@
   inline NoHandleAllocation();
   inline ~NoHandleAllocation();
  private:
   int level_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HANDLES_H_