bindings: Makes not call installDOMClassTemplate twice for the same interface.

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp
index a543415cb0db7a333b7e281f16bafe192dd0688a..bcd57c4ffcd0939550f455c6e142d81160b353c8 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterface2.cpp
@@ -595,33 +595,36 @@ void V8TestInterface2::constructorCallback(const v8::FunctionCallbackInfo<v8::Va
     TestInterface2V8Internal::constructor(info);
 }
 
-static void installV8TestInterface2Template(v8::Local<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate)
-{
-    functionTemplate->ReadOnlyPrototype();
-
-    v8::Local<v8::Signature> defaultSignature;
-    defaultSignature = V8DOMConfiguration::installDOMClassTemplate(isolate, functionTemplate, V8TestInterface2::wrapperTypeInfo.interfaceName, v8::Local<v8::FunctionTemplate>(), V8TestInterface2::internalFieldCount,
-        0, 0,
-        0, 0,
-        V8TestInterface2Methods, WTF_ARRAY_LENGTH(V8TestInterface2Methods));
-    functionTemplate->SetCallHandler(V8TestInterface2::constructorCallback);
-    functionTemplate->SetLength(0);
-    v8::Local<v8::ObjectTemplate> instanceTemplate = functionTemplate->InstanceTemplate();
+static void installV8TestInterface2Template(v8::Local<v8::FunctionTemplate> interfaceTemplate, v8::Isolate* isolate)
+{
+    // Initialize the interface object's template.
+    V8DOMConfiguration::initializeDOMInterfaceTemplate(isolate, interfaceTemplate, V8TestInterface2::wrapperTypeInfo.interfaceName, v8::Local<v8::FunctionTemplate>(), V8TestInterface2::internalFieldCount);
+    interfaceTemplate->SetCallHandler(V8TestInterface2::constructorCallback);
+    interfaceTemplate->SetLength(0);
+    v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interfaceTemplate);
+    ALLOW_UNUSED_LOCAL(signature);
+    v8::Local<v8::ObjectTemplate> instanceTemplate = interfaceTemplate->InstanceTemplate();
     ALLOW_UNUSED_LOCAL(instanceTemplate);
-    v8::Local<v8::ObjectTemplate> prototypeTemplate = functionTemplate->PrototypeTemplate();
+    v8::Local<v8::ObjectTemplate> prototypeTemplate = interfaceTemplate->PrototypeTemplate();
     ALLOW_UNUSED_LOCAL(prototypeTemplate);
-    V8DOMConfiguration::setClassString(isolate, prototypeTemplate, V8TestInterface2::wrapperTypeInfo.interfaceName);
+    // Register DOM constants, attributes and operations.
     if (RuntimeEnabledFeatures::featureNameEnabled()) {
         const V8DOMConfiguration::ConstantConfiguration constantConstValue1Configuration = {"CONST_VALUE_1", 1, 0, V8DOMConfiguration::ConstantTypeUnsignedShort};
-        V8DOMConfiguration::installConstant(isolate, functionTemplate, prototypeTemplate, constantConstValue1Configuration);
+        V8DOMConfiguration::installConstant(isolate, interfaceTemplate, prototypeTemplate, constantConstValue1Configuration);
     }
     static_assert(1 == TestInterface2::CONST_VALUE_1, "the value of TestInterface2_CONST_VALUE_1 does not match with implementation");
+    V8DOMConfiguration::installMethods(isolate, instanceTemplate, prototypeTemplate, interfaceTemplate, signature, V8TestInterface2Methods, WTF_ARRAY_LENGTH(V8TestInterface2Methods));
+
+    // Indexed properties
     v8::IndexedPropertyHandlerConfiguration indexedPropertyHandlerConfig(TestInterface2V8Internal::indexedPropertyGetterCallback, TestInterface2V8Internal::indexedPropertySetterCallback, 0, TestInterface2V8Internal::indexedPropertyDeleterCallback, indexedPropertyEnumerator<TestInterface2>, v8::Local<v8::Value>(), v8::PropertyHandlerFlags::kNone);
     instanceTemplate->SetHandler(indexedPropertyHandlerConfig);
+    // Named properties
     v8::NamedPropertyHandlerConfiguration namedPropertyHandlerConfig(TestInterface2V8Internal::namedPropertyGetterCallback, TestInterface2V8Internal::namedPropertySetterCallback, TestInterface2V8Internal::namedPropertyQueryCallback, TestInterface2V8Internal::namedPropertyDeleterCallback, TestInterface2V8Internal::namedPropertyEnumeratorCallback, v8::Local<v8::Value>(), static_cast<v8::PropertyHandlerFlags>(int(v8::PropertyHandlerFlags::kOnlyInterceptStrings) | int(v8::PropertyHandlerFlags::kNonMasking)));
     instanceTemplate->SetHandler(namedPropertyHandlerConfig);
+
+    // Iterator (@@iterator)
     const V8DOMConfiguration::SymbolKeyedMethodConfiguration symbolKeyedIteratorConfiguration = { v8::Symbol::GetIterator, TestInterface2V8Internal::iteratorMethodCallback, 0, v8::DontDelete, V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnPrototype };
-    V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, symbolKeyedIteratorConfiguration);
+    V8DOMConfiguration::installMethod(isolate, prototypeTemplate, signature, symbolKeyedIteratorConfiguration);
 }
 
 v8::Local<v8::FunctionTemplate> V8TestInterface2::domTemplate(v8::Isolate* isolate)