- Added ability to call histograms from within v8...

src/heap.cc

Index: src/heap.cc
===================================================================
--- src/heap.cc	(revision 1503)
+++ src/heap.cc	(working copy)
@@ -300,7 +300,7 @@
   // contexts are disposed and leave it to the embedder to make
   // informed decisions about when to force a collection.
   if (!FLAG_expose_gc && context_disposed_pending_) {
-    StatsRateScope scope(&Counters::gc_context);
+    HistogramTimerScope scope(&Counters::gc_context);
     CollectAllGarbage();
   }
   context_disposed_pending_ = false;
@@ -335,7 +335,7 @@
     // Tell the tracer which collector we've selected.
     tracer.set_collector(collector);
 
-    StatsRate* rate = (collector == SCAVENGER)
+    HistogramTimer* rate = (collector == SCAVENGER)
         ? &Counters::gc_scavenger
         : &Counters::gc_compactor;
     rate->Start();