Handlify GetPropertyWithCallback.

src/runtime.cc

 // Copyright 2012 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 10685 matching lines @@
       if (value->IsTheHole()) {
         return heap->undefined_value();
       }
       return value;
     }
     case CONSTANT:
       return result->GetConstant();
     case CALLBACKS: {
       Object* structure = result->GetCallbackObject();
       if (structure->IsForeign() || structure->IsAccessorInfo()) {
-        MaybeObject* maybe_value = result->holder()->GetPropertyWithCallback(
-            receiver, structure, name);
-        if (!maybe_value->ToObject(&value)) {
-          if (maybe_value->IsRetryAfterGC()) return maybe_value;
-          ASSERT(maybe_value->IsException());
-          maybe_value = heap->isolate()->pending_exception();
+        Isolate* isolate = heap->isolate();
+        HandleScope scope(isolate);
+        Handle<Object> value = JSObject::GetPropertyWithCallback(
+            handle(result->holder(), isolate),
+            handle(receiver, isolate),
+            handle(structure, isolate),
+            handle(name, isolate));
+        if (value.is_null()) {
+          MaybeObject* exception = heap->isolate()->pending_exception();
           heap->isolate()->clear_pending_exception();
-          if (caught_exception != NULL) {
-            *caught_exception = true;
-          }
-          return maybe_value;
+          if (caught_exception != NULL) *caught_exception = true;
+          return exception;
         }
-        return value;
+        return *value;
       } else {
         return heap->undefined_value();
       }
     }
     case INTERCEPTOR:
     case TRANSITION:
       return heap->undefined_value();
     case HANDLER:
     case NONEXISTENT:
       UNREACHABLE();
@@ skipping 4105 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal