Remove usage of deprecated V8 APIs from bindings code generator

Source/bindings/tests/results/V8TestCustomWrapInterface.cpp

Index: Source/bindings/tests/results/V8TestCustomWrapInterface.cpp
diff --git a/Source/bindings/tests/results/V8TestCustomWrapInterface.cpp b/Source/bindings/tests/results/V8TestCustomWrapInterface.cpp
index 794ad1b2540ebb96392bad26af437f323b44610b..076a55c5a3e32149c837c5db48197e97d6adbf9e 100644
--- a/Source/bindings/tests/results/V8TestCustomWrapInterface.cpp
+++ b/Source/bindings/tests/results/V8TestCustomWrapInterface.cpp
@@ -90,7 +90,7 @@ static v8::Handle<v8::FunctionTemplate> ConfigureV8TestCustomWrapInterfaceTempla
     UNUSED_PARAM(prototypeTemplate);
 
     // Custom toString template
-    functionTemplate->Set(v8::String::NewSymbol("toString"), V8PerIsolateData::current()->toStringTemplate());
+    functionTemplate->Set(v8::String::NewFromUtf8(isolate, "toString", v8::String::kInternalizedString), V8PerIsolateData::current()->toStringTemplate());
     return functionTemplate;
 }
 
@@ -102,11 +102,11 @@ v8::Handle<v8::FunctionTemplate> V8TestCustomWrapInterface::GetTemplate(v8::Isol
         return result->value.newLocal(isolate);
 
     TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "BuildDOMTemplate");
-    v8::HandleScope handleScope(isolate);
-    v8::Handle<v8::FunctionTemplate> templ =
+    v8::EscapableHandleScope handleScope(isolate);
+    v8::Local<v8::FunctionTemplate> templ =
         ConfigureV8TestCustomWrapInterfaceTemplate(data->rawTemplate(&wrapperTypeInfo, currentWorldType), isolate, currentWorldType);
     data->templateMap(currentWorldType).add(&wrapperTypeInfo, UnsafePersistent<v8::FunctionTemplate>(isolate, templ));
-    return handleScope.Close(templ);
+    return handleScope.Escape(templ);
 }
 
 bool V8TestCustomWrapInterface::hasInstance(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate, WrapperWorldType currentWorldType)