Move idle notification handling to GCIdleTimeHandler.

test/heap-unittests/heap-unittest.cc

Index: test/heap-unittests/heap-unittest.cc
diff --git a/test/heap-unittests/heap-unittest.cc b/test/heap-unittests/heap-unittest.cc
index db331f91e068089b78c748a197547cd4864b22ac..f51908bc1ab13ba8d53daddfae516564bcefe2b5 100644
--- a/test/heap-unittests/heap-unittest.cc
+++ b/test/heap-unittests/heap-unittest.cc
@@ -45,5 +45,29 @@ TEST(EstimateMarkingStepSizeTest, EstimateMarkingStepSizeOverflow2) {
             step_size);
 }
 
+
+TEST(EstimateMarkCompactTimeTest, EstimateMarkCompactTimeInitial) {
+  size_t size = 100 * MB;
+  size_t time = GCIdleTimeHandler::EstimateMarkCompactTime(size, 0);
+  EXPECT_EQ(size / GCIdleTimeHandler::kInitialConservativeMarkCompactSpeed,
+            time);
+}
+
+
+TEST(EstimateMarkCompactTimeTest, EstimateMarkCompactTimeNonZero) {
+  size_t size = 100 * MB;
+  size_t speed = 10 * KB;
+  size_t time = GCIdleTimeHandler::EstimateMarkCompactTime(size, speed);
+  EXPECT_EQ(size / speed, time);
+}
+
+
+TEST(EstimateMarkCompactTimeTest, EstimateMarkCompactTimeMax) {
+  size_t size = std::numeric_limits<size_t>::max();
+  size_t speed = 1;
+  size_t time = GCIdleTimeHandler::EstimateMarkCompactTime(size, speed);
+  EXPECT_EQ(GCIdleTimeHandler::kMaxMarkCompactTimeInMs, time);
+}
+
 }  // namespace internal
 }  // namespace v8