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

third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp

Index: third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp b/third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp
index a046f61971d91e7bc108f5c49c965402ff3ce61a..867b4b2465418a9adc4ed96dc17755ae7a7938ae 100644
--- a/third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/modules/V8TestInterface5.cpp
@@ -840,35 +840,40 @@ const V8DOMConfiguration::MethodConfiguration V8TestInterface5Methods[] = {
     {"toString", TestInterface5ImplementationV8Internal::toStringMethodCallback, 0, 0, static_cast<v8::PropertyAttribute>(v8::DontEnum), V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnPrototype},
 };
 
-static void installV8TestInterface5Template(v8::Local<v8::FunctionTemplate> functionTemplate, v8::Isolate* isolate)
-{
-    functionTemplate->ReadOnlyPrototype();
-
-    v8::Local<v8::Signature> defaultSignature;
-    if (!RuntimeEnabledFeatures::featureNameEnabled())
-        defaultSignature = V8DOMConfiguration::installDOMClassTemplate(isolate, functionTemplate, V8TestInterface5::wrapperTypeInfo.interfaceName, V8TestInterfaceEmpty::domTemplate(isolate), V8TestInterface5::internalFieldCount, 0, 0, 0, 0, 0, 0);
-    else
-        defaultSignature = V8DOMConfiguration::installDOMClassTemplate(isolate, functionTemplate, V8TestInterface5::wrapperTypeInfo.interfaceName, V8TestInterfaceEmpty::domTemplate(isolate), V8TestInterface5::internalFieldCount,
-            V8TestInterface5Attributes, WTF_ARRAY_LENGTH(V8TestInterface5Attributes),
-            V8TestInterface5Accessors, WTF_ARRAY_LENGTH(V8TestInterface5Accessors),
-            V8TestInterface5Methods, WTF_ARRAY_LENGTH(V8TestInterface5Methods));
-    v8::Local<v8::ObjectTemplate> instanceTemplate = functionTemplate->InstanceTemplate();
+static void installV8TestInterface5Template(v8::Local<v8::FunctionTemplate> interfaceTemplate, v8::Isolate* isolate)
+{
+    // Initialize the interface object's template.
+    V8DOMConfiguration::initializeDOMInterfaceTemplate(isolate, interfaceTemplate, V8TestInterface5::wrapperTypeInfo.interfaceName, V8TestInterfaceEmpty::domTemplate(isolate), V8TestInterface5::internalFieldCount);
+    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, V8TestInterface5::wrapperTypeInfo.interfaceName);
-    const V8DOMConfiguration::ConstantConfiguration V8TestInterface5Constants[] = {
-        {"UNSIGNED_LONG", 0, 0, V8DOMConfiguration::ConstantTypeUnsignedLong},
-        {"CONST_JAVASCRIPT", 1, 0, V8DOMConfiguration::ConstantTypeShort},
-    };
-    V8DOMConfiguration::installConstants(isolate, functionTemplate, prototypeTemplate, V8TestInterface5Constants, WTF_ARRAY_LENGTH(V8TestInterface5Constants));
+    // Register DOM constants, attributes and operations.
+    if (RuntimeEnabledFeatures::featureNameEnabled()) {
+        const V8DOMConfiguration::ConstantConfiguration V8TestInterface5Constants[] = {
+            {"UNSIGNED_LONG", 0, 0, V8DOMConfiguration::ConstantTypeUnsignedLong},
+            {"CONST_JAVASCRIPT", 1, 0, V8DOMConfiguration::ConstantTypeShort},
+        };
+        V8DOMConfiguration::installConstants(isolate, interfaceTemplate, prototypeTemplate, V8TestInterface5Constants, WTF_ARRAY_LENGTH(V8TestInterface5Constants));
+        V8DOMConfiguration::installAttributes(isolate, instanceTemplate, prototypeTemplate, V8TestInterface5Attributes, WTF_ARRAY_LENGTH(V8TestInterface5Attributes));
+        V8DOMConfiguration::installAccessors(isolate, instanceTemplate, prototypeTemplate, interfaceTemplate, signature, V8TestInterface5Accessors, WTF_ARRAY_LENGTH(V8TestInterface5Accessors));
+        V8DOMConfiguration::installMethods(isolate, instanceTemplate, prototypeTemplate, interfaceTemplate, signature, V8TestInterface5Methods, WTF_ARRAY_LENGTH(V8TestInterface5Methods));
+    } // if (RuntimeEnabledFeatures::featureNameEnabled())
+
+    // Indexed properties
     v8::IndexedPropertyHandlerConfiguration indexedPropertyHandlerConfig(TestInterface5ImplementationV8Internal::indexedPropertyGetterCallback, TestInterface5ImplementationV8Internal::indexedPropertySetterCallback, 0, TestInterface5ImplementationV8Internal::indexedPropertyDeleterCallback, indexedPropertyEnumerator<TestInterface5Implementation>, v8::Local<v8::Value>(), v8::PropertyHandlerFlags::kNone);
     instanceTemplate->SetHandler(indexedPropertyHandlerConfig);
+    // Named properties
     v8::NamedPropertyHandlerConfiguration namedPropertyHandlerConfig(TestInterface5ImplementationV8Internal::namedPropertyGetterCallback, TestInterface5ImplementationV8Internal::namedPropertySetterCallback, TestInterface5ImplementationV8Internal::namedPropertyQueryCallback, TestInterface5ImplementationV8Internal::namedPropertyDeleterCallback, TestInterface5ImplementationV8Internal::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, TestInterface5ImplementationV8Internal::iteratorMethodCallback, 0, v8::DontDelete, V8DOMConfiguration::ExposedToAllScripts, V8DOMConfiguration::OnPrototype };
-    V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, symbolKeyedIteratorConfiguration);
-    functionTemplate->InstanceTemplate()->SetCallAsFunctionHandler(V8TestInterface5::legacyCallCustom);
+    V8DOMConfiguration::installMethod(isolate, prototypeTemplate, signature, symbolKeyedIteratorConfiguration);
+
+    instanceTemplate->SetCallAsFunctionHandler(V8TestInterface5::legacyCallCustom);
 }
 
 v8::Local<v8::FunctionTemplate> V8TestInterface5::domTemplate(v8::Isolate* isolate)