AllocationProfiler: Inital version of RecordObjectAllocation for hydrogen.

src/heap-profiler.cc

Index: src/heap-profiler.cc
diff --git a/src/heap-profiler.cc b/src/heap-profiler.cc
index 6b159a98a338c7b2704ed924a59bc401f8425663..464c1da58d717a436601538f66abaeb585fdd76c 100644
--- a/src/heap-profiler.cc
+++ b/src/heap-profiler.cc
@@ -171,10 +171,13 @@ void HeapProfiler::StopHeapAllocationsRecording() {
 }
 
 
-void HeapProfiler::RecordObjectAllocationFromMasm(Isolate* isolate,
-                                                  Address obj,
-                                                  int size) {
-  isolate->heap_profiler()->NewObjectEvent(obj, size);
+RUNTIME_FUNCTION(MaybeObject*, HeapProfiler_RecordObjectAllocation) {
+  ASSERT(args.length() == 2);
+  Address address = reinterpret_cast<Address>(
+      reinterpret_cast<intptr_t>(args[0]) & ~kHeapObjectTagMask);
+  int size = args.at<Smi>(1)->value();
+  isolate->heap_profiler()->NewObjectEvent(address, size);
+  return isolate->heap()->undefined_value();
 }