Added utility functions fully moved from V8 to Isolate.

README.md

@@ -301,6 +301,12 @@ NAN_METHOD(CalculateAsync) {
  * <a href="#api_nan_remove_gc_epilogue_callback"><b><code>NanRemoveGCEpilogueCallback</code></b></a>
  * <a href="#api_nan_remove_gc_prologue_callback"><b><code>NanRemoveGCPrologueCallback</code></b></a>
  * <a href="#api_nan_get_heap_statistics"><b><code>NanGetHeapStatistics</code></b></a>
+ * <a href="#api_nan_set_counter_function"><b><code>NanSetCounterFunction</code></b></a>
+ * <a href="#api_nan_set_create_histogram_function"><b><code>NanSetCreateHistogramFunction</code></b></a>
+ * <a href="#api_nan_set_add_histogram_sample_function"><b><code>NanSetAddHistogramSampleFunction</code></b></a>
+ * <a href="#api_nan_idle_notification"><b><code>NanIdleNotification</code></b></a>
+ * <a href="#api_nan_low_memory_notification"><b><code>NanLowMemoryNotification</code></b></a>
+ * <a href="#api_nan_context_disposed_notification"><b><code>NanContextDisposedNotification</code></b></a>
  * <a href="#api_nan_callback"><b><code>NanCallback</code></b></a>
  * <a href="#api_nan_async_worker"><b><code>NanAsyncWorker</code></b></a>
  * <a href="#api_nan_async_queue_worker"><b><code>NanAsyncQueueWorker</code></b></a>
@@ -1097,6 +1103,36 @@ Simply does `RemoveGCPrologueCallback`
 
 Simply does `GetHeapStatistics`
 
+<a name="api_nan_set_counter_function"></a>
+### NanSetCounterFunction(CounterLookupCallback cb)
+
+Simply does `SetCounterFunction`
+
+<a name="api_nan_set_create_histogram_function"></a>
+### NanSetCreateHistogramFunction(CreateHistogramCallback cb)
+
+Simply does `SetCreateHistogramFunction`
+
+<a name="api_nan_set_add_histogram_sample_function"></a>
+### NanSetAddHistogramSampleFunction(AddHistogramSampleCallback cb)
+
+Simply does `SetAddHistogramSampleFunction`
+
+<a name="api_nan_idle_notification"></a>
+### NanIdleNotification(int idle_time_in_ms)
+
+Simply does `IdleNotification`
+
+<a name="api_nan_low_memory_notification"></a>
+### NanLowMemoryNotification()
+
+Simply does `LowMemoryNotification`
+
+<a name="api_nan_context_disposed_notification"></a>
+### NanContextDisposedNotification()
+
+Simply does `ContextDisposedNotification`
+
 <a name="api_nan_callback"></a>
 ### NanCallback
 

nan.h

@@ -155,6 +155,62 @@ NAN_INLINE v8::Local<T> _NanEnsureLocal(v8::Local<T> val) {
   return val;
 }
 
+#if NODE_MODULE_VERSION >= 42 // io.js 1.0
+  NAN_INLINE
+  void NanSetCounterFunction(v8::CounterLookupCallback cb) {
+    v8::Isolate::GetCurrent()->SetCounterFunction(cb);
+  }
+
+  NAN_INLINE
+  void NanSetCreateHistogramFunction(v8::CreateHistogramCallback cb) {
+    v8::Isolate::GetCurrent()->SetCreateHistogramFunction(cb);
+  }
+
+  NAN_INLINE
+  void NanSetAddHistogramSampleFunction(v8::AddHistogramSampleCallback cb) {
+    v8::Isolate::GetCurrent()->SetAddHistogramSampleFunction(cb);
+  }
+
+  NAN_INLINE bool NanIdleNotification(int idle_time_in_ms) {
+    return v8::Isolate::GetCurrent()->IdleNotification(idle_time_in_ms);
+  }
+
+  NAN_INLINE void NanLowMemoryNotification() {
+    v8::Isolate::GetCurrent()->LowMemoryNotification();
+  }
+
+  NAN_INLINE void NanContextDisposedNotification() {
+    v8::Isolate::GetCurrent()->ContextDisposedNotification();
+  }
+#else
+  NAN_INLINE
+  void NanSetCounterFunction(v8::CounterLookupCallback cb) {
+    v8::V8::SetCounterFunction(cb);
+  }
+
+  NAN_INLINE
+  void NanSetCreateHistogramFunction(v8::CreateHistogramCallback cb) {
+    v8::V8::SetCreateHistogramFunction(cb);
+  }
+
+  NAN_INLINE
+  void NanSetAddHistogramSampleFunction(v8::AddHistogramSampleCallback cb) {
+    v8::V8::SetAddHistogramSampleFunction(cb);
+  }
+
+  NAN_INLINE bool NanIdleNotification(int idle_time_in_ms) {
+    return v8::V8::IdleNotification(idle_time_in_ms);
+  }
+
+  NAN_INLINE void NanLowMemoryNotification() {
+    v8::V8::LowMemoryNotification();
+  }
+
+  NAN_INLINE void NanContextDisposedNotification() {
+    v8::V8::ContextDisposedNotification();
+  }
+#endif
+
 #if (NODE_MODULE_VERSION > 0x000B)
 // Node 0.11+ (0.11.12 and below won't compile with these)