WIP bindings: Add support for the record<K,V> WebIDL type.

third_party/WebKit/Source/bindings/tests/results/core/V8TestDictionaryDerived.h

 // 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!
 
 // This file has been generated from the Jinja2 template in
 // third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl
 
@@ skipping 23 matching lines @@
   v8SetReturnValue(callbackInfo, ToV8(impl, callbackInfo.Holder(), callbackInfo.GetIsolate()));
 }
 
 template <class CallbackInfo>
 inline void v8SetReturnValue(const CallbackInfo& callbackInfo, TestDictionaryDerivedImplementedAs& impl, v8::Local<v8::Object> creationContext) {
   v8SetReturnValue(callbackInfo, ToV8(impl, creationContext, callbackInfo.GetIsolate()));
 }
 
 template <>
 struct NativeValueTraits<TestDictionaryDerivedImplementedAs> {
-  static TestDictionaryDerivedImplementedAs nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);
+  using ImplType = TestDictionaryDerivedImplementedAs;
+  CORE_EXPORT static TestDictionaryDerivedImplementedAs nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);
 };
 
 template <>
 struct V8TypeOf<TestDictionaryDerivedImplementedAs> {
   typedef V8TestDictionaryDerivedImplementedAs Type;
 };
 
 }  // namespace blink
 
 #endif  // V8TestDictionaryDerived_h