Add a new api in ObjectTemplate to prohibit interceptor for V8DOM binding

src/lookup-inl.h

 // Copyright 2014 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.
 
 #ifndef V8_LOOKUP_INL_H_
 #define V8_LOOKUP_INL_H_
 
 #include "src/lookup.h"
 
 namespace v8 {
@@ skipping 12 matching lines @@
       !(check_hidden() && next->map()->is_hidden_prototype()) &&
       // Always lookup behind the JSGlobalProxy into the JSGlobalObject, even
       // when not checking other hidden prototypes.
       !map->IsJSGlobalProxyMap()) {
     return NULL;
   }
 
   return next;
 }
 
+LookupIterator::State LookupIterator::LookupRealNameInHolder(Map* map,
+                                                     JSReceiver* holder) {
+  if (map->is_dictionary_map()) {
+    if (holder == NULL) return UNKNOWN;
+    NameDictionary* dict = JSObject::cast(holder)->property_dictionary();
+    number_ = dict->FindEntry(name_);
+    if (number_ == NameDictionary::kNotFound) return NOT_FOUND;
+    property_details_ = dict->DetailsAt(number_);
+    if (holder->IsGlobalObject()) {
+      if (property_details_.IsDeleted()) return NOT_FOUND;
+      PropertyCell* cell = PropertyCell::cast(dict->ValueAt(number_));
+      if (cell->value()->IsTheHole()) return NOT_FOUND;
+    }
+  } else {
+    DescriptorArray* descriptors = map->instance_descriptors();
+    number_ = descriptors->SearchWithCache(*name_, map);
+    if (number_ == DescriptorArray::kNotFound) return NOT_FOUND;
+    property_details_ = descriptors->GetDetails(number_);
+  }
+  has_property_ = true;
+  switch (property_details_.type()) {
+    case v8::internal::CONSTANT:
+    case v8::internal::FIELD:
+    case v8::internal::NORMAL:
+      return DATA;
+    case v8::internal::CALLBACKS:
+      return ACCESSOR;
+  }
+  return NOT_FOUND;
+}
 
 LookupIterator::State LookupIterator::LookupInHolder(Map* map,
                                                      JSReceiver* holder) {
   STATIC_ASSERT(INTERCEPTOR == BEFORE_PROPERTY);
   DisallowHeapAllocation no_gc;
+  LookupIterator::State real_name_state = NOT_FOUND;
   switch (state_) {
     case NOT_FOUND:
       if (map->IsJSProxyMap()) return JSPROXY;
       if (map->is_access_check_needed()) return ACCESS_CHECK;
     // Fall through.
     case ACCESS_CHECK:
       if (check_interceptor() && map->has_named_interceptor()) {
+        Handle<JSReceiver> curHolder = maybe_holder_.ToHandleChecked();
+        if (curHolder->IsJSObject() && ((Handle<JSObject>::cast(curHolder))
+            ->GetNamedInterceptor()->do_not_interceptor_real_name())) {
+          // try to get real name property
+          real_name_state = LookupRealNameInHolder(map, holder);
+          if (real_name_state == DATA || real_name_state == ACCESSOR)
+            return real_name_state;
+        }
         return INTERCEPTOR;
       }
     // Fall through.
     case INTERCEPTOR:
-      if (map->is_dictionary_map()) {
-        if (holder == NULL) return UNKNOWN;
-        NameDictionary* dict = JSObject::cast(holder)->property_dictionary();
-        number_ = dict->FindEntry(name_);
-        if (number_ == NameDictionary::kNotFound) return NOT_FOUND;
-        property_details_ = dict->DetailsAt(number_);
-        if (holder->IsGlobalObject()) {
-          if (property_details_.IsDeleted()) return NOT_FOUND;
-          PropertyCell* cell = PropertyCell::cast(dict->ValueAt(number_));
-          if (cell->value()->IsTheHole()) return NOT_FOUND;
-        }
-      } else {
-        DescriptorArray* descriptors = map->instance_descriptors();
-        number_ = descriptors->SearchWithCache(*name_, map);
-        if (number_ == DescriptorArray::kNotFound) return NOT_FOUND;
-        property_details_ = descriptors->GetDetails(number_);
-      }
-      has_property_ = true;
-      switch (property_details_.type()) {
-        case v8::internal::CONSTANT:
-        case v8::internal::FIELD:
-        case v8::internal::NORMAL:
-          return DATA;
-        case v8::internal::CALLBACKS:
-          return ACCESSOR;
-      }
+        return LookupRealNameInHolder(map, holder);
     case ACCESSOR:
     case DATA:
     case UNKNOWN:
       return NOT_FOUND;
     case JSPROXY:
     case TRANSITION:
       UNREACHABLE();
   }
   UNREACHABLE();
   return state_;
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_LOOKUP_INL_H_