Implicit references are missing in heap profiles

test/cctest/test-mark-compact.cc

Index: test/cctest/test-mark-compact.cc
===================================================================
--- test/cctest/test-mark-compact.cc	(revision 13465)
+++ test/cctest/test-mark-compact.cc	(working copy)
@@ -273,13 +273,15 @@
 static int gc_starts = 0;
 static int gc_ends = 0;
 
-static void GCPrologueCallbackFunc() {
+static void GCPrologueCallbackFunc(v8::GCType type,
+                                   v8::GCCallbackFlags flags) {
   CHECK(gc_starts == gc_ends);
   gc_starts++;
 }
 
 
-static void GCEpilogueCallbackFunc() {
+static void GCEpilogueCallbackFunc(v8::GCType type,
+                                   v8::GCCallbackFlags flags) {
   CHECK(gc_starts == gc_ends + 1);
   gc_ends++;
 }
@@ -288,8 +290,10 @@
 TEST(GCCallback) {
   InitializeVM();
 
-  HEAP->SetGlobalGCPrologueCallback(&GCPrologueCallbackFunc);
-  HEAP->SetGlobalGCEpilogueCallback(&GCEpilogueCallbackFunc);
+  HEAP->AddGCPrologueCallback(&GCPrologueCallbackFunc,
+                              v8::kGCTypeMarkSweepCompact);
+  HEAP->AddGCEpilogueCallback(&GCEpilogueCallbackFunc,
+                              v8::kGCTypeMarkSweepCompact);
 
   // Scavenge does not call GC callback functions.
   HEAP->PerformScavenge();