CC: Add a scheduled action for ManageTiles

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index d3e7aa5de366d4764b47220334382b13b124fd12..e2fe6241d64dbebb95546bcc7084a5a108b8b00d 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -65,6 +65,11 @@ void Scheduler::SetNeedsRedraw() {
   ProcessScheduledActions();
 }
 
+void Scheduler::SetNeedsManageTiles() {
+  state_machine_.SetNeedsManageTiles();
+  ProcessScheduledActions();
+}
+
 void Scheduler::SetSwapUsedIncompleteTile(bool used_incomplete_tile) {
   state_machine_.SetSwapUsedIncompleteTile(used_incomplete_tile);
   ProcessScheduledActions();
@@ -242,6 +247,9 @@ void Scheduler::ProcessScheduledActions() {
       case SchedulerStateMachine::ACTION_ACQUIRE_LAYER_TEXTURES_FOR_MAIN_THREAD:
         client_->ScheduledActionAcquireLayerTexturesForMainThread();
         break;
+      case SchedulerStateMachine::ACTION_MANAGE_TILES:
+        client_->ScheduledActionManageTiles();
+        break;
     }
   } while (action != SchedulerStateMachine::ACTION_NONE);