Remove special handling of background idle notification in memory reducer.

test/unittests/heap/memory-reducer-unittest.cc

Index: test/unittests/heap/memory-reducer-unittest.cc
diff --git a/test/unittests/heap/memory-reducer-unittest.cc b/test/unittests/heap/memory-reducer-unittest.cc
index 3301d13b7efbe07aff6ac940dbf00b02b70e1205..1088f0127d2beaf6d372fe26e758ad109038920b 100644
--- a/test/unittests/heap/memory-reducer-unittest.cc
+++ b/test/unittests/heap/memory-reducer-unittest.cc
@@ -48,12 +48,13 @@ MemoryReducer::Event MarkCompactEventNoGarbageLeft(double time_ms) {
 }
 
 
-MemoryReducer::Event TimerEvent(double time_ms, bool low_allocation_rate,
+MemoryReducer::Event TimerEvent(double time_ms,
+                                bool should_start_incremental_gc,
                                 bool can_start_incremental_gc) {
   MemoryReducer::Event event;
   event.type = MemoryReducer::kTimer;
   event.time_ms = time_ms;
-  event.low_allocation_rate = low_allocation_rate;
+  event.should_start_incremental_gc = should_start_incremental_gc;
   event.can_start_incremental_gc = can_start_incremental_gc;
   return event;
 }
@@ -82,16 +83,6 @@ MemoryReducer::Event ContextDisposedEvent(double time_ms) {
 }
 
 
-MemoryReducer::Event BackgroundIdleNotificationEvent(
-    double time_ms, bool can_start_incremental_gc = true) {
-  MemoryReducer::Event event;
-  event.type = MemoryReducer::kBackgroundIdleNotification;
-  event.time_ms = time_ms;
-  event.can_start_incremental_gc = can_start_incremental_gc;
-  return event;
-}
-
-
 TEST(MemoryReducer, FromDoneToDone) {
   MemoryReducer::State state0(DoneState()), state1(DoneState());
 
@@ -103,9 +94,6 @@ TEST(MemoryReducer, FromDoneToDone) {
 
   state1 = MemoryReducer::Step(state0, TimerEventPendingGC(0));
   EXPECT_EQ(MemoryReducer::kDone, state1.action);
-
-  state1 = MemoryReducer::Step(state0, BackgroundIdleNotificationEvent(0));
-  EXPECT_EQ(MemoryReducer::kDone, state1.action);
 }
 
 
@@ -172,17 +160,6 @@ TEST(MemoryReducer, FromWaitToWait) {
   EXPECT_EQ(state0.started_gcs, state1.started_gcs);
   EXPECT_EQ(2000, state1.last_gc_time_ms);
 
-  state1 = MemoryReducer::Step(state0, BackgroundIdleNotificationEvent(2000));
-  EXPECT_EQ(MemoryReducer::kWait, state1.action);
-  EXPECT_EQ(2000 + MemoryReducer::kLongDelayMs, state1.next_gc_start_ms);
-  EXPECT_EQ(state0.started_gcs + 1, state1.started_gcs);
-
-  state1 =
-      MemoryReducer::Step(state0, BackgroundIdleNotificationEvent(2000, false));
-  EXPECT_EQ(MemoryReducer::kWait, state1.action);
-  EXPECT_EQ(state0.next_gc_start_ms, state1.next_gc_start_ms);
-  EXPECT_EQ(state0.started_gcs, state1.started_gcs);
-
   state0.last_gc_time_ms = 0;
   state1 = MemoryReducer::Step(
       state0,
@@ -199,12 +176,6 @@ TEST(MemoryReducer, FromWaitToWait) {
   EXPECT_EQ(2000 + MemoryReducer::kLongDelayMs, state1.next_gc_start_ms);
   EXPECT_EQ(state0.started_gcs, state1.started_gcs);
   EXPECT_EQ(state0.last_gc_time_ms, state1.last_gc_time_ms);
-
-  state0.started_gcs = MemoryReducer::kMaxNumberOfGCs;
-  state1 = MemoryReducer::Step(state0, BackgroundIdleNotificationEvent(2000));
-  EXPECT_EQ(MemoryReducer::kWait, state1.action);
-  EXPECT_EQ(state0.next_gc_start_ms, state1.next_gc_start_ms);
-  EXPECT_EQ(state0.started_gcs, state1.started_gcs);
 }