bindings: Add validation for enum Sequence or Array

Source/bindings/tests/results/core/UnionTypesCore.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "bindings/core/v8/UnionTypesCore.h"
 
 #include "bindings/core/v8/Dictionary.h"
@@ skipping 740 matching lines @@
 
 String TestEnumOrDouble::getAsTestEnum() const
 {
     ASSERT(isTestEnum());
     return m_testEnum;
 }
 
 void TestEnumOrDouble::setTestEnum(String value)
 {
     ASSERT(isNull());
-    String string = value;
-    if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3")) {
+    NonThrowableExceptionState exceptionState;
+    static const char* validValues[] = {
+        "",
+        "EnumValue1",
+        "EnumValue2",
+        "EnumValue3",
+    };
+    if (!isValidEnum(value, validValues, WTF_ARRAY_LENGTH(validValues), exceptionState)) {
         ASSERT_NOT_REACHED();
         return;
     }
     m_testEnum = value;
     m_type = SpecificTypeTestEnum;
 }
 
 TestEnumOrDouble TestEnumOrDouble::fromTestEnum(String value)
 {
     TestEnumOrDouble container;
@@ skipping 31 matching lines @@
         if (exceptionState.hadException())
             return;
         impl.setDouble(cppValue);
         return;
     }
 
     {
         V8StringResource<> cppValue = v8Value;
         if (!cppValue.prepare(exceptionState))
             return;
-        String string = cppValue;
-        if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3")) {
-            exceptionState.throwTypeError("'" + string + "' is not a valid enum value.");
+        static const char* validValues[] = {
+            "",
+            "EnumValue1",
+            "EnumValue2",
+            "EnumValue3",
+        };
+        if (!isValidEnum(cppValue, validValues, WTF_ARRAY_LENGTH(validValues), exceptionState))
             return;
-        }
         impl.setTestEnum(cppValue);
         return;
     }
 
 }
 
 v8::Local<v8::Value> toV8(const TestEnumOrDouble& impl, v8::Local<v8::Object> creationContext, v8::Isolate* isolate)
 {
     switch (impl.m_type) {
     case TestEnumOrDouble::SpecificTypeNone:
@@ skipping 558 matching lines @@
 }
 
 UnrestrictedDoubleOrString NativeValueTraits<UnrestrictedDoubleOrString>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState)
 {
     UnrestrictedDoubleOrString impl;
     V8UnrestrictedDoubleOrString::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 } // namespace blink