bindings: Add validation for enum Sequence or Array

Source/bindings/templates/dictionary_v8.cpp

+{% from 'conversions.cpp' import declare_enum_validation_variable %}
 // 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}}. DO NOT MODIFY!
 
 #include "config.h"
 #include "{{v8_original_class}}.h"
 
 {% for filename in cpp_includes if filename != '%s.h' % v8_class %}
@@ skipping 44 matching lines @@
         {% if member.deprecate_as %}
         UseCounter::countDeprecationIfNotPrivateScript(isolate, callingExecutionContext(isolate), UseCounter::{{member.deprecate_as}});
         {% endif %}
         {{v8_value_to_local_cpp_value(member) | indent(8)}}
         {% if member.is_interface_type %}
         if (!{{member.name}} && !{{member.name}}Value->IsNull()) {
             exceptionState.throwTypeError("member {{member.name}} is not of type {{member.idl_type}}.");
             return;
         }
         {% endif %}
-        {% if member.enum_validation_expression %}
-        String string = {{member.name}};
-        if (!({{member.enum_validation_expression}})) {
-            exceptionState.throwTypeError("member {{member.name}} ('" + string + "') is not a valid enum value.");
+        {% if member.enum_values %}
+        {{declare_enum_validation_variable(member.enum_values) | indent(8)}}
+        if (!isValidEnum({{member.name}}, validValues, {{member.enum_values|length}})) {

[haraken, 2015/03/31 06:11:17]

Space around '|'?

+            exceptionState.throwTypeError("member {{member.name}} is not a valid enum value.");
             return;
         }
         {% elif member.is_object %}
         if (!{{member.name}}.isObject()) {
             exceptionState.throwTypeError("member {{member.name}} is not an object.");
             return;
         }
         {% endif %}
         impl.{{member.setter_name}}({{member.name}});
     }
@@ skipping 29 matching lines @@
 }
 
 {{cpp_class}} NativeValueTraits<{{cpp_class}}>::nativeValue(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState)
 {
     {{cpp_class}} impl;
     {{v8_class}}::toImpl(isolate, value, impl, exceptionState);
     return impl;
 }
 
 } // namespace blink