bindings: Uses V8's named property interceptor for Window.

Source/bindings/tests/results/core/V8TestObject.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestObject.h"
 
 #include "bindings/core/v8/BindingSecurity.h"
@@ skipping 12962 matching lines @@
     static_assert(-0X1a == TestObject::CONST_VALUE_17, "the value of TestObject_CONST_VALUE_17 does not match with implementation");
     static_assert(1 == TestObject::DEPRECATED_CONSTANT, "the value of TestObject_DEPRECATED_CONSTANT does not match with implementation");
     static_assert(1 == TestObject::MEASURED_CONSTANT, "the value of TestObject_MEASURED_CONSTANT does not match with implementation");
     static_assert(1 == TestObject::FEATURE_ENABLED_CONST, "the value of TestObject_FEATURE_ENABLED_CONST does not match with implementation");
     static_assert(1 == TestObject::CONST_IMPL, "the value of TestObject_CONST_IMPL does not match with implementation");
     {
         v8::IndexedPropertyHandlerConfiguration config(TestObjectV8Internal::indexedPropertyGetterCallback, TestObjectV8Internal::indexedPropertySetterCallback, 0, TestObjectV8Internal::indexedPropertyDeleterCallback, indexedPropertyEnumerator<TestObject>);
         functionTemplate->InstanceTemplate()->SetHandler(config);
     }
     {
-        v8::NamedPropertyHandlerConfiguration config(TestObjectV8Internal::namedPropertyGetterCallback, TestObjectV8Internal::namedPropertySetterCallback, TestObjectV8Internal::namedPropertyQueryCallback, TestObjectV8Internal::namedPropertyDeleterCallback, TestObjectV8Internal::namedPropertyEnumeratorCallback);
-        config.flags = static_cast<v8::PropertyHandlerFlags>(static_cast<int>(config.flags) | static_cast<int>(v8::PropertyHandlerFlags::kOnlyInterceptStrings));
-        config.flags = static_cast<v8::PropertyHandlerFlags>(static_cast<int>(config.flags) | static_cast<int>(v8::PropertyHandlerFlags::kNonMasking));
+        int flags = static_cast<int>(v8::PropertyHandlerFlags::kOnlyInterceptStrings);
+        flags |= static_cast<int>(v8::PropertyHandlerFlags::kNonMasking);
+        v8::NamedPropertyHandlerConfiguration config(TestObjectV8Internal::namedPropertyGetterCallback, TestObjectV8Internal::namedPropertySetterCallback, TestObjectV8Internal::namedPropertyQueryCallback, TestObjectV8Internal::namedPropertyDeleterCallback, TestObjectV8Internal::namedPropertyEnumeratorCallback, v8::Handle<v8::Value>(), static_cast<v8::PropertyHandlerFlags>(flags));
         functionTemplate->InstanceTemplate()->SetHandler(config);
     }
     static const V8DOMConfiguration::SymbolKeyedMethodConfiguration symbolKeyedIteratorConfiguration = { v8::Symbol::GetIterator, TestObjectV8Internal::iteratorMethodCallback, 0, V8DOMConfiguration::ExposedToAllScripts };
     V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, v8::DontDelete, symbolKeyedIteratorConfiguration);
     if (RuntimeEnabledFeatures::featureNameEnabled()) {
         const V8DOMConfiguration::MethodConfiguration unscopeableRuntimeEnabledVoidMethodMethodConfiguration = {
             "unscopeableRuntimeEnabledVoidMethod", TestObjectV8Internal::unscopeableRuntimeEnabledVoidMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts,
         };
         V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, v8::None, unscopeableRuntimeEnabledVoidMethodMethodConfiguration);
     }
@@ skipping 601 matching lines @@
     ScriptState::Scope scope(scriptState);
     v8::Local<v8::Value> holder = toV8(holderImpl, scriptState->context()->Global(), scriptState->isolate());
     if (holder.IsEmpty())
         return false;
 
     ExceptionState exceptionState(ExceptionState::SetterContext, "enumForPrivateScript", "TestObject", scriptState->context()->Global(), scriptState->isolate());
     return PrivateScriptRunner::runDOMAttributeSetter(scriptState, scriptStateInUserScript, "TestObject", "enumForPrivateScript", holder, v8String(scriptState->isolate(), cppValue));
 }
 
 } // namespace blink