[heap] Added fine grained timers to MC_MARK_WEAK_CLOSURE.

src/heap/gc-tracer.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_GC_TRACER_H_
 #define V8_HEAP_GC_TRACER_H_
 
 #include "src/base/platform/platform.h"
 #include "src/counters.h"
 #include "src/globals.h"
@@ skipping 111 matching lines @@
       MC_EXTERNAL_PROLOGUE,
       MC_FINISH,
       MC_INCREMENTAL_FINALIZE,
       MC_INCREMENTAL_EXTERNAL_EPILOGUE,
       MC_INCREMENTAL_EXTERNAL_PROLOGUE,
       MC_MARK,
       MC_MARK_FINISH_INCREMENTAL,
       MC_MARK_PREPARE_CODE_FLUSH,
       MC_MARK_ROOTS,
       MC_MARK_WEAK_CLOSURE,
+      MC_MARK_WEAK_CLOSURE_EPHEMERAL,
+      MC_MARK_WEAK_CLOSURE_WEAK_HANDLES,
+      MC_MARK_WEAK_CLOSURE_WEAK_ROOTS,
+      MC_MARK_WEAK_CLOSURE_HARMONY,
       MC_SWEEP,
       MC_SWEEP_CODE,
       MC_SWEEP_MAP,
       MC_SWEEP_OLD,
       SCAVENGER_CODE_FLUSH_CANDIDATES,
       SCAVENGER_EXTERNAL_EPILOGUE,
       SCAVENGER_EXTERNAL_PROLOGUE,
       SCAVENGER_OBJECT_GROUPS,
       SCAVENGER_OLD_TO_NEW_POINTERS,
       SCAVENGER_ROOTS,
@@ skipping 438 matching lines @@
 
   // Separate timer used for --runtime_call_stats
   RuntimeCallTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(GCTracer);
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_GC_TRACER_H_