SetNeedsRedraw directly when updating a visible tile.

cc/scheduler/scheduler_state_machine.h

Index: cc/scheduler/scheduler_state_machine.h
diff --git a/cc/scheduler/scheduler_state_machine.h b/cc/scheduler/scheduler_state_machine.h
index a63a683e90787692fdad05fc2ca6c229b2f342e4..489ece623022e3c1ad31970579a226bc250ca8fd 100644
--- a/cc/scheduler/scheduler_state_machine.h
+++ b/cc/scheduler/scheduler_state_machine.h
@@ -95,7 +95,6 @@ class CC_EXPORT SchedulerStateMachine {
     ACTION_ANIMATE,
     ACTION_SEND_BEGIN_MAIN_FRAME,
     ACTION_COMMIT,
-    ACTION_UPDATE_VISIBLE_TILES,
     ACTION_ACTIVATE_SYNC_TREE,
     ACTION_DRAW_AND_SWAP_IF_POSSIBLE,
     ACTION_DRAW_AND_SWAP_FORCED,
@@ -260,7 +259,6 @@ class CC_EXPORT SchedulerStateMachine {
   bool ShouldDrawForced() const;
   bool ShouldDraw() const;
   bool ShouldActivatePendingTree() const;
-  bool ShouldUpdateVisibleTiles() const;
   bool ShouldSendBeginMainFrame() const;
   bool ShouldCommit() const;
   bool ShouldManageTiles() const;
@@ -268,7 +266,6 @@ class CC_EXPORT SchedulerStateMachine {
   void AdvanceCurrentFrameNumber();
   bool HasAnimatedThisFrame() const;
   bool HasSentBeginMainFrameThisFrame() const;
-  bool HasUpdatedVisibleTilesThisFrame() const;
   bool HasRequestedSwapThisFrame() const;
   bool HasSwappedThisFrame() const;
 
@@ -292,7 +289,6 @@ class CC_EXPORT SchedulerStateMachine {
   int last_frame_number_swap_performed_;
   int last_frame_number_swap_requested_;
   int last_frame_number_begin_main_frame_sent_;
-  int last_frame_number_update_visible_tiles_was_called_;
 
   // manage_tiles_funnel_ is "filled" each time ManageTiles is called
   // and "drained" on each BeginImplFrame. If the funnel gets too full,
@@ -305,7 +301,6 @@ class CC_EXPORT SchedulerStateMachine {
   bool needs_redraw_;
   bool needs_animate_;
   bool needs_manage_tiles_;
-  bool swap_used_incomplete_tile_;
   bool needs_commit_;
   bool inside_poll_for_anticipated_draw_triggers_;
   bool visible_;