binding: Supports static operations/attrs returning non-primitive types.

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 6c12c43019922f7ed3adb005e224a67d043c3237..fc6df04fc90de9093e118c4615b5f9bb0cb87de2 100644
--- a/Source/bindings/tests/results/core/V8TestInterface.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterface.cpp
@@ -369,6 +369,38 @@ static void staticStringAttributeAttributeSetterCallback(v8::Local<v8::Name>, v8
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void staticReturnDOMWrapperAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    v8SetReturnValue(info, TestInterfaceImplementation::staticReturnDOMWrapperAttribute(), info.GetIsolate()->GetCurrentContext()->Global());
+}
+
+static void staticReturnDOMWrapperAttributeAttributeGetterCallback(v8::Local<v8::Name>, const v8::PropertyCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
+    TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeGetter(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
+static void staticReturnDOMWrapperAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
+{
+    v8::Local<v8::Object> holder = info.Holder();
+    ExceptionState exceptionState(ExceptionState::SetterContext, "staticReturnDOMWrapperAttribute", "TestInterface", holder, info.GetIsolate());
+    TestInterfaceImplementation* cppValue = V8TestInterface::toImplWithTypeCheck(info.GetIsolate(), v8Value);
+    if (!cppValue) {
+        exceptionState.throwTypeError("The provided value is not of type 'TestInterface'.");
+        exceptionState.throwIfNeeded();
+        return;
+    }
+    TestInterfaceImplementation::setStaticReturnDOMWrapperAttribute(WTF::getPtr(cppValue));
+}
+
+static void staticReturnDOMWrapperAttributeAttributeSetterCallback(v8::Local<v8::Name>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
+    TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeSetter(v8Value, info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void legacyInterfaceTypeCheckingAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
@@ -1298,6 +1330,18 @@ static void windowExposedStaticMethodMethodCallback(const v8::FunctionCallbackIn
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void staticReturnDOMWrapperMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    v8SetReturnValue(info, TestInterfaceImplementation::staticReturnDOMWrapperMethod(), info.GetIsolate()->GetCurrentContext()->Global());
+}
+
+static void staticReturnDOMWrapperMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestInterfaceImplementationV8Internal::staticReturnDOMWrapperMethodMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void methodWithExposedAndRuntimeEnabledFlagMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterfaceImplementation* impl = V8TestInterface::toImpl(info.Holder());
@@ -2271,6 +2315,10 @@ void V8TestInterface::installV8TestInterfaceTemplate(v8::Local<v8::FunctionTempl
         };
         V8DOMConfiguration::installMethod(isolate, functionTemplate, v8::Local<v8::Signature>(), v8::None, windowExposedStaticMethodMethodConfiguration);
     }
+    const V8DOMConfiguration::MethodConfiguration staticReturnDOMWrapperMethodMethodConfiguration = {
+        "staticReturnDOMWrapperMethod", TestInterfaceImplementationV8Internal::staticReturnDOMWrapperMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts,
+    };
+    V8DOMConfiguration::installMethod(isolate, functionTemplate, v8::Local<v8::Signature>(), v8::None, staticReturnDOMWrapperMethodMethodConfiguration);
     const V8DOMConfiguration::MethodConfiguration implementsStaticVoidMethodMethodConfiguration = {
         "implementsStaticVoidMethod", TestInterfaceImplementationV8Internal::implementsStaticVoidMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts,
     };
@@ -2354,6 +2402,7 @@ void V8TestInterface::installV8TestInterfaceTemplate(v8::Local<v8::FunctionTempl
     };
     V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::DontEnum), toStringMethodConfiguration);
     functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "staticStringAttribute"), TestInterfaceImplementationV8Internal::staticStringAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::staticStringAttributeAttributeSetterCallback, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Local<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));
+    functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "staticReturnDOMWrapperAttribute"), TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::staticReturnDOMWrapperAttributeAttributeSetterCallback, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Local<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));
     functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "implementsStaticReadOnlyLongAttribute"), TestInterfaceImplementationV8Internal::implementsStaticReadOnlyLongAttributeAttributeGetterCallback, 0, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Local<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));
     functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "implementsStaticStringAttribute"), TestInterfaceImplementationV8Internal::implementsStaticStringAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::implementsStaticStringAttributeAttributeSetterCallback, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Local<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));
     functionTemplate->SetNativeDataProperty(v8AtomicString(isolate, "implements2StaticStringAttribute"), TestInterfaceImplementationV8Internal::implements2StaticStringAttributeAttributeGetterCallback, TestInterfaceImplementationV8Internal::implements2StaticStringAttributeAttributeSetterCallback, v8::External::New(isolate, 0), static_cast<v8::PropertyAttribute>(v8::None), v8::Local<v8::AccessorSignature>(), static_cast<v8::AccessControl>(v8::DEFAULT));