diff --git a/src/profiler/allocation-tracker.cc b/src/profiler/allocation-tracker.cc
index 791cdf0..6acd191 100644
--- a/src/profiler/allocation-tracker.cc
+++ b/src/profiler/allocation-tracker.cc
@@ -149,8 +149,7 @@
 
 
 void AddressToTraceMap::Print() {
-  PrintF("[AddressToTraceMap (%" V8_SIZET_PREFIX V8PRIuPTR "): \n",
-         ranges_.size());
+  PrintF("[AddressToTraceMap (%" PRIuS "): \n", ranges_.size());
   for (RangeMap::iterator it = ranges_.begin(); it != ranges_.end(); ++it) {
     PrintF("[%p - %p] => %u\n", it->second.start, it->first,
         it->second.trace_node_id);
@@ -231,7 +230,7 @@
 
   Isolate* isolate = heap->isolate();
   int length = 0;
-  StackTraceFrameIterator it(isolate);
+  JavaScriptFrameIterator it(isolate);
   while (!it.done() && length < kMaxAllocationTraceLength) {
     JavaScriptFrame* frame = it.frame();
     SharedFunctionInfo* shared = frame->function()->shared();
@@ -307,9 +306,8 @@
       info_(info) {
   script_ = Handle<Script>::cast(
       script->GetIsolate()->global_handles()->Create(script));
-  GlobalHandles::MakeWeak(reinterpret_cast<Object**>(script_.location()),
-                          this,
-                          &HandleWeakScript);
+  GlobalHandles::MakeWeak(reinterpret_cast<Object**>(script_.location()), this,
+                          &HandleWeakScript, v8::WeakCallbackType::kParameter);
 }
 
 
@@ -327,9 +325,8 @@
   info_->column = Script::GetColumnNumber(script_, start_position_);
 }
 
-
 void AllocationTracker::UnresolvedLocation::HandleWeakScript(
-    const v8::WeakCallbackData<v8::Value, void>& data) {
+    const v8::WeakCallbackInfo<void>& data) {
   UnresolvedLocation* loc =
       reinterpret_cast<UnresolvedLocation*>(data.GetParameter());
   GlobalHandles::Destroy(reinterpret_cast<Object**>(loc->script_.location()));