Remove obsolete V8::IdleNotification dispatch.

src/v8.cc

Index: src/v8.cc
diff --git a/src/v8.cc b/src/v8.cc
index f2aa83710c64ea632d560ad2cb6ce03973742500..e47ff1204448d9ee3d37295144adad1eade4ad68 100644
--- a/src/v8.cc
+++ b/src/v8.cc
@@ -174,16 +174,6 @@ uint32_t V8::RandomPrivate(Isolate* isolate) {
 }
 
 
-bool V8::IdleNotification(int hint) {
-  // Returning true tells the caller that there is no need to call
-  // IdleNotification again.
-  if (!FLAG_use_idle_notification) return true;
-
-  // Tell the heap that it may want to adjust.
-  return HEAP->IdleNotification(hint);
-}
-
-
 void V8::AddCallCompletedCallback(CallCompletedCallback callback) {
   if (call_completed_callbacks_ == NULL) {  // Lazy init.
     call_completed_callbacks_ = new List<CallCompletedCallback>();