Trace idle notification.

src/heap/gc-idle-time-handler.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_IDLE_TIME_HANDLER_H_
 #define V8_HEAP_GC_IDLE_TIME_HANDLER_H_
 
 #include "src/globals.h"
 
 namespace v8 {
@@ skipping 38 matching lines @@
     return result;
   }
 
   static GCIdleTimeAction FinalizeSweeping() {
     GCIdleTimeAction result;
     result.type = DO_FINALIZE_SWEEPING;
     result.parameter = 0;
     return result;
   }
 
+  void Print();
+
   GCIdleTimeActionType type;
   intptr_t parameter;
 };
 
 
 class GCTracer;
 
 // The idle time handler makes decisions about which garbage collection
 // operations are executing during IdleNotification.
 class GCIdleTimeHandler {
@@ skipping 74 matching lines @@
   int mark_compacts_since_idle_round_started_;
   int scavenges_since_last_idle_round_;
 
   DISALLOW_COPY_AND_ASSIGN(GCIdleTimeHandler);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_GC_IDLE_TIME_HANDLER_H_