bindings: Make the sequence conversion code more complaint with WebIDL.

third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp b/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp
index 6ea313aa2850804623f2255e14b5d7bbb6697f42..0b6c26b26d1eb15e63919ead698cf073c26b56d0 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptPromiseTest.cpp
@@ -30,6 +30,8 @@
 
 #include "bindings/core/v8/ScriptPromise.h"
 
+#include "bindings/core/v8/IDLTypes.h"
+#include "bindings/core/v8/NativeValueTraitsImpl.h"
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
@@ -90,8 +92,8 @@ String ToString(v8::Local<v8::Context> context, const ScriptValue& value) {
 
 Vector<String> ToStringArray(v8::Isolate* isolate, const ScriptValue& value) {
   NonThrowableExceptionState exception_state;
-  return ToImplArray<Vector<String>>(value.V8Value(), 0, isolate,
-                                     exception_state);
+  return NativeValueTraits<IDLSequence<IDLString>>::NativeValue(
+      isolate, value.V8Value(), exception_state);
 }
 
 TEST(ScriptPromiseTest, constructFromNonPromise) {