IDL: Add [LegacyInterfaceTypeChecking] extended attribute

Source/bindings/tests/results/core/V8TestInterface.cpp

Index: Source/bindings/tests/results/core/V8TestInterface.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterface.cpp b/Source/bindings/tests/results/core/V8TestInterface.cpp
index 76cfc1e031770654f621dd7a123a0f4e9d2b7e17..6b02c1fbc2db1b4e1d681c8b58d6a308900aae45 100644
--- a/Source/bindings/tests/results/core/V8TestInterface.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterface.cpp
@@ -326,6 +326,35 @@ static void staticStringAttributeAttributeSetterCallback(v8::Local<v8::String>,
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void legacyInterfaceTypeCheckingAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    v8::Local<v8::Object> holder = info.Holder();
+    TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
+    v8SetReturnValueFast(info, WTF::getPtr(impl->legacyInterfaceTypeCheckingAttribute()), impl);
+}
+
+static void legacyInterfaceTypeCheckingAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
+    TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingAttributeAttributeGetter(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
+static void legacyInterfaceTypeCheckingAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
+{
+    v8::Local<v8::Object> holder = info.Holder();
+    TestInterfaceImplementation* impl = V8TestInterface::toImpl(holder);
+    TestInterfaceEmpty* cppValue = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), v8Value);
+    impl->setLegacyInterfaceTypeCheckingAttribute(WTF::getPtr(cppValue));
+}
+
+static void legacyInterfaceTypeCheckingAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
+    TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingAttributeAttributeSetter(v8Value, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void alwaysExposedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
@@ -1414,6 +1443,27 @@ static void staticPromiseMethodPartialOverload1Method(const v8::FunctionCallback
     v8SetReturnValue(info, TestInterfaceImplementation::staticPromiseMethodPartialOverload().v8Value());
 }
 
+static void legacyInterfaceTypeCheckingMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (UNLIKELY(info.Length() < 1)) {
+        V8ThrowException::throwException(createMinimumArityTypeErrorForMethod(info.GetIsolate(), "legacyInterfaceTypeCheckingMethod", "TestInterface", 1, info.Length()), info.GetIsolate());
+        return;
+    }
+    TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
+    TestInterfaceEmpty* testInterfaceEmptyArg;
+    {
+        testInterfaceEmptyArg = V8TestInterfaceEmpty::toImplWithTypeCheck(info.GetIsolate(), info[0]);
+    }
+    impl->legacyInterfaceTypeCheckingMethod(testInterfaceEmptyArg);
+}
+
+static void legacyInterfaceTypeCheckingMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingMethodMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void implementsVoidMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
@@ -2060,6 +2110,7 @@ static const V8DOMConfiguration::AttributeConfiguration V8TestInterfaceAttribute
     {"unrestrictedFloatAttribute", TestInterfaceImplementationV8Internal::unrestrictedFloatAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::unrestrictedFloatAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
     {"testEnumAttribute", TestInterfaceImplementationV8Internal::testEnumAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::testEnumAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
     {"stringOrDoubleAttribute", TestInterfaceImplementationV8Internal::stringOrDoubleAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::stringOrDoubleAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
+    {"legacyInterfaceTypeCheckingAttribute", TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
     {"alwaysExposedAttribute", TestInterfaceImplementationV8Internal::alwaysExposedAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::alwaysExposedAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
     {"implementsReadonlyStringAttribute", TestInterfaceImplementationV8Internal::implementsReadonlyStringAttributeAttributeGetterCallback, 0, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
     {"implementsStringAttribute", TestInterfaceImplementationV8Internal::implementsStringAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::implementsStringAttributeAttributeSetterCallback, 0, 0, 0, static_cast<v8::AccessControl>(v8::DEFAULT), static_cast<v8::PropertyAttribute>(v8::None), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnInstance},
@@ -2075,6 +2126,7 @@ static const V8DOMConfiguration::MethodConfiguration V8TestInterfaceMethods[] =
     {"voidMethodTestEnumArg", TestInterfaceImplementationV8Internal::voidMethodTestEnumArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"voidMethod", TestInterfaceImplementationV8Internal::voidMethodMethodCallback, TestInterfaceImplementationV8Internal::voidMethodMethodCallbackForMainWorld, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"alwaysExposedMethod", TestInterfaceImplementationV8Internal::alwaysExposedMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
+    {"legacyInterfaceTypeCheckingMethod", TestInterfaceImplementationV8Internal::legacyInterfaceTypeCheckingMethodMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"implementsVoidMethod", TestInterfaceImplementationV8Internal::implementsVoidMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"implementsComplexMethod", TestInterfaceImplementationV8Internal::implementsComplexMethodMethodCallback, 0, 2, V8DOMConfiguration::ExposedToAllScripts},
     {"implementsCustomVoidMethod", TestInterfaceImplementationV8Internal::implementsCustomVoidMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},