Promise init callback takes resolve and reject functions

Source/bindings/v8/custom/V8PromiseCustom.h

Index: Source/bindings/v8/custom/V8PromiseCustom.h
diff --git a/Source/bindings/v8/custom/V8PromiseCustom.h b/Source/bindings/v8/custom/V8PromiseCustom.h
index 8b0957cf2070d553ffa5f7a574e976813464cf43..214fc2a64c842bf49afdb9238d9a517d857cd8b2 100644
--- a/Source/bindings/v8/custom/V8PromiseCustom.h
+++ b/Source/bindings/v8/custom/V8PromiseCustom.h
@@ -25,6 +25,8 @@
 #ifndef V8PromiseCustom_h
 #define V8PromiseCustom_h
 
+#include "bindings/v8/WrapperTypeInfo.h"
+
 #include <v8.h>
 
 namespace WebCore {
@@ -59,6 +61,11 @@ public:
         PrimitiveWrapperFieldCount, // This entry must always be at the bottom.
     };
 
+    enum ResolverFieldIndex {
+        ResolverInternalIndex = v8DOMWrapperObjectIndex,
+        ResolverFieldCount, // This entry must always be at the bottom.
+    };
+
     enum PromiseState {
         Pending,
         Fulfilled,