Perform scavenge in idle tasks.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 3b6fd98da4f9cbe762c1754c2cdd0525e32065fe..e799963231c3c4b39b223b304d92abaeb44c1976 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -427,6 +427,7 @@ class HeapStats;
 class Isolate;
 class MemoryReducer;
 class ObjectStats;
+class ScavengeJob;

[Hannes Payer (out of office), 2015/09/23 14:16:39]

class Scavenger;
class ScavengeJob;

[ulan, 2015/09/23 15:05:16]

Done.

 class Scavenger;
 class WeakObjectRetainer;
 
@@ -1828,6 +1829,8 @@ class Heap {
 
   Address DoScavenge(ObjectVisitor* scavenge_visitor, Address new_space_front);
 
+  void ScheduleIdleScavengeIfNeeded(int bytes_allocated);

[Hannes Payer (out of office), 2015/09/23 14:16:39]

Can you move it to the Idle notification section, below (line 1893)?

[ulan, 2015/09/23 15:05:16]

Done.

+
   void UpdateNewSpaceReferencesInExternalStringTable(
       ExternalStringTableUpdaterCallback updater_func);
 
@@ -1882,6 +1885,10 @@ class Heap {
   void SetOldGenerationAllocationLimit(intptr_t old_gen_size, double gc_speed,
                                        double mutator_speed);
 
+  // Update the inline allocation limit.

[Hannes Payer (out of office), 2015/09/23 14:16:39]

Make it a separate // Inline allocation. ===== section

[ulan, 2015/09/23 15:05:16]

Done.

+  void LowerInlineAllocationLimit(intptr_t step);
+  void ResetInlineAllocationLimit();
+
   // ===========================================================================
   // Idle notification. ========================================================
   // ===========================================================================
@@ -2266,6 +2273,8 @@ class Heap {
 
   ObjectStats* object_stats_;
 
+  ScavengeJob* scavenge_job_;
+
   // These two counters are monotomically increasing and never reset.
   size_t full_codegen_bytes_generated_;
   size_t crankshaft_codegen_bytes_generated_;
@@ -2339,6 +2348,7 @@ class Heap {
   friend class IncrementalMarking;
   friend class MarkCompactCollector;
   friend class MarkCompactMarkingVisitor;
+  friend class NewSpace;
   friend class ObjectStatsVisitor;
   friend class Page;
   friend class Scavenger;