remove old MakeWeak

src/profile-generator.cc

Index: src/profile-generator.cc
diff --git a/src/profile-generator.cc b/src/profile-generator.cc
index d923bc04e8cb5ddaa627053a55a2b6f41c31a6d0..5418979cc50eb3c9f1d958a545876e99fd346918 100644
--- a/src/profile-generator.cc
+++ b/src/profile-generator.cc
@@ -68,7 +68,6 @@ int TokenEnumerator::GetTokenId(Object* token) {
   // to a token object in the V8's heap.
   isolate->global_handles()->MakeWeak(handle.location(),
                                       this,
-                                      NULL,
                                       TokenRemovedCallback);
   token_locations_.Add(handle.location());
   token_removed_.Add(false);
@@ -77,11 +76,11 @@ int TokenEnumerator::GetTokenId(Object* token) {
 
 
 void TokenEnumerator::TokenRemovedCallback(v8::Isolate* isolate,
-                                           v8::Persistent<v8::Value> handle,
+                                           v8::Persistent<v8::Value>* handle,
                                            void* parameter) {
   reinterpret_cast<TokenEnumerator*>(parameter)->TokenRemoved(
-      Utils::OpenHandle(*handle).location());
-  handle.Dispose(isolate);
+      Utils::OpenHandle(**handle).location());
+  handle->Dispose(isolate);
 }