Move code around in IdleNotification.

src/heap/heap.h

 // Copyright 2012 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_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 2100 matching lines @@
   bool IsHighSurvivalRate() { return high_survival_rate_period_length_ > 0; }
 
   void ConfigureInitialOldGenerationSize();
 
   void SelectScavengingVisitorsTable();
 
   bool TryFinalizeIdleIncrementalMarking(
       double idle_time_in_ms, size_t size_of_objects,
       size_t mark_compact_speed_in_bytes_per_ms);
 
+  GCIdleTimeHandler::HeapState ComputeHeapState(bool reduce_memory);
+
+  bool PerformIdleTimeAction(GCIdleTimeAction action,
+                             GCIdleTimeHandler::HeapState heap_state,
+                             double deadline_in_ms,
+                             bool is_long_idle_notification);
+
+  void IdleNotificationEpilogue(GCIdleTimeAction action,
+                                GCIdleTimeHandler::HeapState heap_state,
+                                double start_ms, double deadline_in_ms,
+                                bool is_long_idle_notification);
+
   void ClearObjectStats(bool clear_last_time_stats = false);
 
   inline void UpdateAllocationsHash(HeapObject* object);
   inline void UpdateAllocationsHash(uint32_t value);
   inline void PrintAlloctionsHash();
 
   // Object counts and used memory by InstanceType
   size_t object_counts_[OBJECT_STATS_COUNT];
   size_t object_counts_last_time_[OBJECT_STATS_COUNT];
   size_t object_sizes_[OBJECT_STATS_COUNT];
@@ skipping 531 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_H_