Inline calling into the interceptor into the IC callbacks rather than going through the LookupItera…

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 16291 matching lines @@
   for (int i = 0; i < capacity; i++) {
     Object* k = this->KeyAt(i);
     if (this->IsKey(k)) {
       elements->set(pos++, this->ValueAt(i), mode);
     }
   }
   DCHECK(pos == elements->length());
 }
 
 
-InterceptorInfo* JSObject::GetNamedInterceptor() {
-  DCHECK(map()->has_named_interceptor());
-  JSFunction* constructor = JSFunction::cast(map()->GetConstructor());
-  DCHECK(constructor->shared()->IsApiFunction());
-  Object* result =
-      constructor->shared()->get_api_func_data()->named_property_handler();
-  return InterceptorInfo::cast(result);
-}
-
-
 MaybeHandle<Object> JSObject::GetPropertyWithInterceptor(LookupIterator* it,
                                                          bool* done) {
   *done = false;
   Isolate* isolate = it->isolate();
   // Make sure that the top context does not change when doing callbacks or
   // interceptor calls.
   AssertNoContextChange ncc(isolate);
 
   DCHECK_EQ(LookupIterator::INTERCEPTOR, it->state());
   Handle<InterceptorInfo> interceptor = it->GetInterceptor();
@@ skipping 3518 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8