Only pass idle notifications on from the API if V8 has been...

src/heap.h

Index: src/heap.h
===================================================================
--- src/heap.h	(revision 2754)
+++ src/heap.h	(working copy)
@@ -843,38 +843,8 @@
   }
 
   // Can be called when the embedding application is idle.
-  static bool IdleNotification() {
-    static const int kIdlesBeforeCollection = 7;
-    static int number_idle_notifications = 0;
-    static int last_gc_count = gc_count_;
+  static bool IdleNotification();
 
-    bool finished = false;
-
-    if (last_gc_count == gc_count_) {
-      number_idle_notifications++;
-    } else {
-      number_idle_notifications = 0;
-      last_gc_count = gc_count_;
-    }
-
-    if (number_idle_notifications >= kIdlesBeforeCollection) {
-      // The first time through we collect without forcing compaction.
-      // The second time through we force compaction and quit.
-      bool force_compaction =
-          number_idle_notifications > kIdlesBeforeCollection;
-      CollectAllGarbage(force_compaction);
-      last_gc_count = gc_count_;
-      if (force_compaction) {
-        number_idle_notifications = 0;
-        finished = true;
-      }
-    }
-
-    // Uncommit unused memory in new space.
-    Heap::UncommitFromSpace();
-    return finished;
-  }
-
   // Declare all the root indices.
   enum RootListIndex {
 #define ROOT_INDEX_DECLARATION(type, name, camel_name) k##camel_name##RootIndex,