Oilpan: Split completeSweep() in idle tasks into chunks

Source/platform/heap/ThreadState.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 319 matching lines @@
     bool isMainThread() const { return this == mainThreadState(); }
     bool checkThread() const
     {
         ASSERT(m_thread == currentThread());
         return true;
     }
 
     void didV8GC();
 
     void performIdleGC(double deadlineSeconds);
-    void performIdleCompleteSweep(double deadlineSeconds);
+    void performIdleLazySweep(double deadlineSeconds);
 
     void scheduleIdleGC();
-    void scheduleIdleCompleteSweep();
+    void scheduleIdleLazySweep();
     void schedulePreciseGC();
     void scheduleGCIfNeeded();
     void setGCState(GCState);
     GCState gcState() const;
     bool isInGC() const { return gcState() == GCRunning; }
     bool isSweepingInProgress() const
     {
         return gcState() == Sweeping || gcState() == SweepingAndPreciseGCScheduled || gcState() == SweepingAndIdleGCScheduled;
     }
 
@@ skipping 183 matching lines @@
     void collectAndReportMarkSweepStats() const;
     void reportMarkSweepStats(const char* statsName, const ClassAgeCountsMap&) const;
 #endif
 
     void pushWeakPointerCallback(void*, WeakPointerCallback);
     bool popAndInvokeWeakPointerCallback(Visitor*);
 
     size_t objectPayloadSizeForTesting();
 
     void preSweep();
+    void postSweep();
     void prepareHeapForTermination();
 
     // Request to call a pref-finalizer of the target object before the object
     // is destructed.  The class T must have USING_PRE_FINALIZER().  The
     // argument should be |*this|.  Registering a lot of objects affects GC
     // performance.  We should register an object only if the object really
     // requires pre-finalizer, and we should unregister the object if
     // pre-finalizer is unnecessary.
     template<typename T>
     void registerPreFinalizer(T& target)
@@ skipping 221 matching lines @@
 };
 
 template<> class ThreadStateFor<AnyThread> {
 public:
     static ThreadState* state() { return ThreadState::current(); }
 };
 
 } // namespace blink
 
 #endif // ThreadState_h