Implement Asynchronous Module Definition API for Mojo

gin/converter.cc

Index: gin/converter.cc
diff --git a/gin/converter.cc b/gin/converter.cc
index 64f5954ce8d98e40781e7deeaf232ce29bb0ab75..5fda6732fa8f2353a8ec1ea882c439e10c6c1f38 100644
--- a/gin/converter.cc
+++ b/gin/converter.cc
@@ -7,6 +7,7 @@
 #include "v8/include/v8.h"
 
 using v8::Boolean;
+using v8::External;
 using v8::Function;
 using v8::Handle;
 using v8::Integer;
@@ -124,6 +125,30 @@ bool Converter<Handle<Object> >::FromV8(Handle<Value> val,
   return true;
 }
 
+Handle<Value> Converter<Handle<External> >::ToV8(v8::Isolate* isolate,
+                                                 Handle<External> val) {
+  return val.As<Value>();
+}
+
+bool Converter<Handle<External> >::FromV8(Handle<Value> val,
+                                          Handle<External>* out) {
+  if (!val->IsExternal())
+    return false;
+  *out = Handle<External>::Cast(val);
+  return true;
+}
+
+Handle<Value> Converter<Handle<Value> >::ToV8(v8::Isolate* isolate,
+                                              Handle<Value> val) {
+  return val;
+}
+
+bool Converter<Handle<Value> >::FromV8(Handle<Value> val,
+                                       Handle<Value>* out) {
+  *out = val;
+  return true;
+}
+
 v8::Handle<v8::String> StringToSymbol(v8::Isolate* isolate,
                                       const std::string& val) {
   return String::NewFromUtf8(isolate,