Oilpan: Add ENABLE_LAZY_SWEEPING and ENABLE_IDLE_GC to features.gypi

Source/platform/heap/ThreadState.cpp

 /*
  * 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 512 matching lines @@
     AtomicallyInitializedStaticReference(Mutex, mutex, new Mutex);
     return mutex;
 }
 
 // TODO(haraken): We should improve the GC heuristics.
 // These heuristics affect performance significantly.
 bool ThreadState::shouldScheduleIdleGC()
 {
     if (gcState() != NoGCScheduled)
         return false;
-#if ENABLE(OILPAN)
+#if ENABLE(IDLE_GC)
     // The estimated size is updated when the main thread finishes lazy
     // sweeping. If this thread reaches here before the main thread finishes
     // lazy sweeping, the thread will use the estimated size of the last GC.
     size_t estimatedLiveObjectSize = Heap::estimatedLiveObjectSize();
     size_t allocatedObjectSize = Heap::allocatedObjectSize();
     // Heap::markedObjectSize() may be underestimated if any thread has not
     // finished completeSweep().
     size_t currentObjectSize = allocatedObjectSize + Heap::markedObjectSize() + WTF::Partitions::totalSizeOfCommittedPages();
     // Schedule an idle GC if Oilpan has allocated more than 1 MB since
     // the last GC and the current memory usage is >50% larger than
     // the estimated live memory usage.
     return allocatedObjectSize >= 1024 * 1024 && currentObjectSize > estimatedLiveObjectSize * 3 / 2;
 #else
     return false;
 #endif
 }
 
 // TODO(haraken): We should improve the GC heuristics.
 // These heuristics affect performance significantly.
 bool ThreadState::shouldSchedulePreciseGC()
 {
     if (gcState() != NoGCScheduled)
         return false;
-#if ENABLE(OILPAN)
+#if ENABLE(IDLE_GC)
     return false;
 #else
     // The estimated size is updated when the main thread finishes lazy
     // sweeping. If this thread reaches here before the main thread finishes
     // lazy sweeping, the thread will use the estimated size of the last GC.
     size_t estimatedLiveObjectSize = Heap::estimatedLiveObjectSize();
     size_t allocatedObjectSize = Heap::allocatedObjectSize();
     // Heap::markedObjectSize() may be underestimated if any thread has not
     // finished completeSweep().
     size_t currentObjectSize = allocatedObjectSize + Heap::markedObjectSize() + WTF::Partitions::totalSizeOfCommittedPages();
@@ skipping 124 matching lines @@
     Platform::current()->currentThread()->scheduler()->postNonNestableIdleTask(FROM_HERE, WTF::bind<double>(&ThreadState::performIdleGC, this));
     setGCState(IdleGCScheduled);
 }
 
 void ThreadState::scheduleIdleLazySweep()
 {
     // Idle complete sweep is supported only in the main thread.
     if (!isMainThread())
         return;
 
-#if ENABLE_LAZY_SWEEPING
+#if ENABLE(LAZY_SWEEPING)
     Platform::current()->currentThread()->scheduler()->postIdleTask(FROM_HERE, WTF::bind<double>(&ThreadState::performIdleLazySweep, this));
 #endif
 }
 
 void ThreadState::schedulePreciseGC()
 {
     if (isSweepingInProgress()) {
         setGCState(SweepingAndPreciseGCScheduled);
         return;
     }
@@ skipping 206 matching lines @@
     }
 
 #if defined(ADDRESS_SANITIZER)
 // TODO(Oilpan): enable the poisoning always.
 #if ENABLE(OILPAN)
     for (int i = 0; i < NumberOfHeaps; i++)
         m_heaps[i]->poisonUnmarkedObjects();
 #endif
 #endif
 
-#if ENABLE_LAZY_SWEEPING
+#if ENABLE(LAZY_SWEEPING)
     if (gcState() == EagerSweepScheduled) {
         // Eager sweeping should happen only in testing.
         setGCState(Sweeping);
         completeSweep();
     } else {
         // The default behavior is lazy sweeping.
         setGCState(Sweeping);
         eagerSweep();
         scheduleIdleLazySweep();
     }
@@ skipping 411 matching lines @@
         json->beginArray(it->key.ascii().data());
         for (size_t age = 0; age <= maxHeapObjectAge; ++age)
             json->pushInteger(it->value.ages[age]);
         json->endArray();
     }
     TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(TRACE_DISABLED_BY_DEFAULT("blink_gc"), statsName, this, json.release());
 }
 #endif
 
 } // namespace blink