cc: Remove background ticking from LTHI.

cc/scheduler/scheduler_state_machine_unittest.cc

Index: cc/scheduler/scheduler_state_machine_unittest.cc
diff --git a/cc/scheduler/scheduler_state_machine_unittest.cc b/cc/scheduler/scheduler_state_machine_unittest.cc
index 40689811278d88fff5fb29b7d73968bf3d27a6ce..d58f6e9a720b78c4c9c2b195781a9ab35622704a 100644
--- a/cc/scheduler/scheduler_state_machine_unittest.cc
+++ b/cc/scheduler/scheduler_state_machine_unittest.cc
@@ -171,12 +171,6 @@ TEST(SchedulerStateMachineTest, BeginFrameNeeded) {
   state.SetNeedsAnimateForTest(false);
   EXPECT_FALSE(state.BeginFrameNeeded());
 
-  // Background tick for animations.
-  state.SetVisible(false);
-  state.SetNeedsRedraw(false);
-  state.SetNeedsAnimateForTest(true);
-  EXPECT_TRUE(state.BeginFrameNeeded());
-
   // Proactively request BeginFrames when commit is pending.
   state.SetVisible(true);
   state.SetNeedsRedraw(false);
@@ -1556,6 +1550,25 @@ TEST(SchedulerStateMachineTest,
   EXPECT_ACTION_UPDATE_STATE(SchedulerStateMachine::ACTION_DRAW_AND_SWAP_ABORT);
 }
 
+TEST(SchedulerStateMachineTest, TestNoBeginFrameNeededWhenInvisible) {
+  SchedulerSettings default_scheduler_settings;
+  StateMachine state(default_scheduler_settings);
+  state.SetCanStart();
+  state.UpdateState(state.NextAction());
+  state.CreateAndInitializeOutputSurfaceWithActivatedCommit();
+  state.SetVisible(true);
+
+  EXPECT_FALSE(state.BeginFrameNeeded());
+  state.SetNeedsRedraw(true);
+  EXPECT_TRUE(state.BeginFrameNeeded());
+
+  state.SetVisible(false);
+  EXPECT_FALSE(state.BeginFrameNeeded());
+
+  state.SetVisible(true);
+  EXPECT_TRUE(state.BeginFrameNeeded());
+}
+
 TEST(SchedulerStateMachineTest, TestNoBeginMainFrameWhenInvisible) {
   SchedulerSettings default_scheduler_settings;
   StateMachine state(default_scheduler_settings);
@@ -1565,6 +1578,14 @@ TEST(SchedulerStateMachineTest, TestNoBeginMainFrameWhenInvisible) {
   state.SetVisible(false);
   state.SetNeedsCommit();
   EXPECT_ACTION(SchedulerStateMachine::ACTION_NONE);
+  EXPECT_FALSE(state.BeginFrameNeeded());
+
+  // When become visible again, the needs commit should still be pending.
+  state.SetVisible(true);
+  EXPECT_TRUE(state.BeginFrameNeeded());
+  state.OnBeginImplFrame();
+  EXPECT_ACTION_UPDATE_STATE(
+      SchedulerStateMachine::ACTION_SEND_BEGIN_MAIN_FRAME);
 }
 
 TEST(SchedulerStateMachineTest, TestFinishCommitWhenCommitInProgress) {