Reimplement SetProperty using the LookupIterator

src/debug.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1529 matching lines @@
 
     // Fill the current function with one-shot break points even for step in on
     // a call target as the function called might be a native function for
     // which step in will not stop. It also prepares for stepping in
     // getters/setters.
     FloodWithOneShot(function);
 
     if (is_load_or_store) {
       // Remember source position and frame to handle step in getter/setter. If
       // there is a custom getter/setter it will be handled in
-      // Object::Get/SetPropertyWithCallback, otherwise the step action will be
+      // Object::Get/SetPropertyWithAccessor, otherwise the step action will be
       // propagated on the next Debug::Break.
       thread_local_.last_statement_position_ =
           debug_info->code()->SourceStatementPosition(frame->pc());
       thread_local_.last_fp_ = frame->UnpaddedFP();
     }
 
     // Step in or Step in min
     it.PrepareStepIn(isolate_);
     ActivateStepIn(frame);
   }
@@ skipping 1836 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal