Remove usage of deprecated V8 APIs from bindings code generator

Source/bindings/tests/results/V8TestException.cpp

Index: Source/bindings/tests/results/V8TestException.cpp
diff --git a/Source/bindings/tests/results/V8TestException.cpp b/Source/bindings/tests/results/V8TestException.cpp
index e8c9620323ec688cd3f8f7005342e65a67ad8a28..080b5fb348a1a2b839bb4762fe8afd0d7c0870c1 100644
--- a/Source/bindings/tests/results/V8TestException.cpp
+++ b/Source/bindings/tests/results/V8TestException.cpp
@@ -107,7 +107,7 @@ static v8::Handle<v8::FunctionTemplate> ConfigureV8TestExceptionTemplate(v8::Han
     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;
 }
 
@@ -119,11 +119,11 @@ v8::Handle<v8::FunctionTemplate> V8TestException::GetTemplate(v8::Isolate* isola
         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 =
         ConfigureV8TestExceptionTemplate(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 V8TestException::hasInstance(v8::Handle<v8::Value> jsValue, v8::Isolate* isolate, WrapperWorldType currentWorldType)