Finalize sweeping in idle notification when all pages are swept.

src/heap/gc-idle-time-handler.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_GC_IDLE_TIME_HANDLER_H_
 #define V8_HEAP_GC_IDLE_TIME_HANDLER_H_
 
 #include "src/globals.h"
 
 namespace v8 {
@@ skipping 93 matching lines @@
   static const size_t kInitialConservativeFinalIncrementalMarkCompactSpeed =
       2 * MB;
 
   // Maximum mark-compact time returned by EstimateMarkCompactTime.
   static const size_t kMaxMarkCompactTimeInMs;
 
   // Maximum final incremental mark-compact time returned by
   // EstimateFinalIncrementalMarkCompactTime.
   static const size_t kMaxFinalIncrementalMarkCompactTimeInMs;
 
-  // Minimum time to finalize sweeping phase. The main thread may wait for
-  // sweeper threads.
-  static const size_t kMinTimeForFinalizeSweeping;
-
   // Number of idle mark-compact events, after which idle handler will finish
   // idle round.
   static const int kMaxMarkCompactsInIdleRound;
 
   // Number of scavenges that will trigger start of new idle round.
   static const int kIdleScavengeThreshold;
 
   // This is the maximum scheduled idle time. Note that it can be more than
   // 16 ms when there is currently no rendering going on.
   static const size_t kMaxScheduledIdleTime = 50;
@@ skipping 13 matching lines @@
   class HeapState {
    public:
     void Print();
 
     int contexts_disposed;
     double contexts_disposal_rate;
     size_t size_of_objects;
     bool incremental_marking_stopped;
     bool can_start_incremental_marking;
     bool sweeping_in_progress;
+    bool sweeping_completed;
     size_t mark_compact_speed_in_bytes_per_ms;
     size_t incremental_marking_speed_in_bytes_per_ms;
     size_t final_incremental_mark_compact_speed_in_bytes_per_ms;
     size_t scavenge_speed_in_bytes_per_ms;
     size_t used_new_space_size;
     size_t new_space_capacity;
     size_t new_space_allocation_throughput_in_bytes_per_ms;
   };
 
   GCIdleTimeHandler()
@@ skipping 54 matching lines @@
   int mark_compacts_since_idle_round_started_;
   int scavenges_since_last_idle_round_;
 
   DISALLOW_COPY_AND_ASSIGN(GCIdleTimeHandler);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_GC_IDLE_TIME_HANDLER_H_