test: fix up weakref.cc after v8 api change

test/gc/node_modules/weak/src/weakref.cc

@@ -78,7 +78,7 @@ Handle<Array> GetCallbacks(Handle<Object> proxy) {
 
 
 #define UNWRAP                            \
-  HandleScope scope;                      \
+  HandleScope scope(info.GetIsolate());   \
   Handle<Object> obj;                     \
   const bool dead = IsDead(info.This());  \
   if (!dead) obj = Unwrap(info.This());   \
@@ -152,14 +152,14 @@ void AddCallback(Handle<Object> proxy, Handle<Function> callback) {
 }
 
 
-void TargetCallback(Isolate* isolate, Persistent<Object>* ptarget, void* arg) {
+void TargetCallback(Isolate* isolate,
+                    Persistent<Object>* ptarget,
+                    proxy_container* cont) {
   HandleScope scope(isolate);
 
   Local<Object> target = Local<Object>::New(isolate, *ptarget);
   assert((*ptarget).IsNearDeath());
 
-  proxy_container *cont = reinterpret_cast<proxy_container*>(arg);
-
   // invoke any listening callbacks
   Local<Array> callbacks = Local<Array>::New(isolate, cont->callbacks);
   uint32_t len = callbacks->Length();
@@ -190,7 +190,7 @@ void TargetCallback(Isolate* isolate, Persistent<Object>* ptarget, void* arg) {
 
 
 void Create(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!args[0]->IsObject()) {
     Local<String> message = String::New("Object expected");
@@ -208,10 +208,7 @@ void Create(const FunctionCallbackInfo<Value>& args) {
   cont->proxy.Reset(Isolate::GetCurrent(), proxy);
   cont->target.Reset(isolate, args[0].As<Object>());
   cont->callbacks.Reset(isolate, Array::New());
-
-  cont->target.MakeWeak(Isolate::GetCurrent(),
-                        static_cast<void*>(cont),
-                        TargetCallback);
+  cont->target.MakeWeak(cont, TargetCallback);
 
   if (args.Length() >= 2) {
     AddCallback(proxy, Handle<Function>::Cast(args[1]));
@@ -233,7 +230,7 @@ void IsWeakRef (const FunctionCallbackInfo<Value>& args) {
 }
 
 void Get(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!isWeakRef(args[0])) {
     Local<String> message = String::New("Weakref instance expected");
@@ -249,7 +246,7 @@ void Get(const FunctionCallbackInfo<Value>& args) {
 }
 
 void IsNearDeath(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!isWeakRef(args[0])) {
     Local<String> message = String::New("Weakref instance expected");
@@ -266,7 +263,7 @@ void IsNearDeath(const FunctionCallbackInfo<Value>& args) {
 }
 
 void IsDead(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!isWeakRef(args[0])) {
     Local<String> message = String::New("Weakref instance expected");
@@ -280,7 +277,7 @@ void IsDead(const FunctionCallbackInfo<Value>& args) {
 
 
 void AddCallback(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!isWeakRef(args[0])) {
     Local<String> message = String::New("Weakref instance expected");
@@ -293,7 +290,7 @@ void AddCallback(const FunctionCallbackInfo<Value>& args) {
 }
 
 void Callbacks(const FunctionCallbackInfo<Value>& args) {
-  HandleScope scope;
+  HandleScope scope(args.GetIsolate());
 
   if (!isWeakRef(args[0])) {
     Local<String> message = String::New("Weakref instance expected");
@@ -307,7 +304,7 @@ void Callbacks(const FunctionCallbackInfo<Value>& args) {
 
 
 void Initialize(Handle<Object> target) {
-  HandleScope scope;
+  HandleScope scope(target->CreationContext()->GetIsolate());
 
   Local<ObjectTemplate> tmpl = ObjectTemplate::New();
   tmpl->SetNamedPropertyHandler(WeakNamedPropertyGetter,