Add explicit Isolate parameter to External::New

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 401007b4359b6c86c4184dd9183c561adb37a58f..c1d3d1be9eaba4fb581511e564c0accd3ce3819c 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -5369,17 +5369,22 @@ bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) {
 }
 
 
-Local<External> v8::External::New(void* value) {
+Local<External> v8::External::New(Isolate* isolate, void* value) {
   STATIC_ASSERT(sizeof(value) == sizeof(i::Address));
-  i::Isolate* isolate = i::Isolate::Current();
-  EnsureInitializedForIsolate(isolate, "v8::External::New()");
-  LOG_API(isolate, "External::New");
-  ENTER_V8(isolate);
-  i::Handle<i::JSObject> external = isolate->factory()->NewExternal(value);
+  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
+  EnsureInitializedForIsolate(i_isolate, "v8::External::New()");
+  LOG_API(i_isolate, "External::New");
+  ENTER_V8(i_isolate);
+  i::Handle<i::JSObject> external = i_isolate->factory()->NewExternal(value);
   return Utils::ExternalToLocal(external);
 }
 
 
+Local<External> v8::External::New(void* value) {
+  return v8::External::New(Isolate::GetCurrent(), value);
+}
+
+
 void* External::Value() const {
   return ExternalValue(*Utils::OpenHandle(this));
 }