remove old MakeWeak

src/debug.cc

Index: src/debug.cc
diff --git a/src/debug.cc b/src/debug.cc
index 02ec1248f051d423770370158c12b468230a3b8d..a61a39413d12af0f16bd2b4c001a37f6c026e18c 100644
--- a/src/debug.cc
+++ b/src/debug.cc
@@ -619,7 +619,6 @@ void ScriptCache::Add(Handle<Script> script) {
           (global_handles->Create(*script)));
   global_handles->MakeWeak(reinterpret_cast<Object**>(script_.location()),
                            this,
-                           NULL,
                            ScriptCache::HandleWeakScript);
   entry->value = script_.location();
 }
@@ -664,12 +663,12 @@ void ScriptCache::Clear() {
 
 
 void ScriptCache::HandleWeakScript(v8::Isolate* isolate,
-                                   v8::Persistent<v8::Value> obj,
+                                   v8::Persistent<v8::Value>* obj,
                                    void* data) {
   ScriptCache* script_cache = reinterpret_cast<ScriptCache*>(data);
   // Find the location of the global handle.
   Script** location =
-      reinterpret_cast<Script**>(Utils::OpenHandle(*obj).location());
+      reinterpret_cast<Script**>(Utils::OpenHandle(**obj).location());
   ASSERT((*location)->IsScript());
 
   // Remove the entry from the cache.
@@ -678,8 +677,7 @@ void ScriptCache::HandleWeakScript(v8::Isolate* isolate,
   script_cache->collected_scripts_.Add(id);
 
   // Clear the weak handle.
-  obj.Dispose(isolate);
-  obj.Clear();
+  obj->Dispose(isolate);
 }
 
 
@@ -699,7 +697,7 @@ void Debug::SetUp(bool create_heap_objects) {
 
 
 void Debug::HandleWeakDebugInfo(v8::Isolate* isolate,
-                                v8::Persistent<v8::Value> obj,
+                                v8::Persistent<v8::Value>* obj,
                                 void* data) {
   Debug* debug = reinterpret_cast<Isolate*>(isolate)->debug();
   DebugInfoListNode* node = reinterpret_cast<DebugInfoListNode*>(data);
@@ -727,7 +725,6 @@ DebugInfoListNode::DebugInfoListNode(DebugInfo* debug_info): next_(NULL) {
       (global_handles->Create(debug_info)));
   global_handles->MakeWeak(reinterpret_cast<Object**>(debug_info_.location()),
                            this,
-                           NULL,
                            Debug::HandleWeakDebugInfo);
 }