SetNeedsRedraw directly when updating a visible tile.

cc/resources/tile_manager.cc

Index: cc/resources/tile_manager.cc
diff --git a/cc/resources/tile_manager.cc b/cc/resources/tile_manager.cc
index c785cf6fd7fec0b0b4c17985ef1be5f7540efaa0..6a270b9cb7afd507fcea3938048404369953944f 100644
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -239,7 +239,6 @@ TileManager::TileManager(
       scheduled_raster_task_limit_(scheduled_raster_task_limit),
       all_tiles_that_need_to_be_rasterized_are_scheduled_(true),
       rendering_stats_instrumentation_(rendering_stats_instrumentation),
-      did_initialize_visible_tile_(false),
       did_check_for_completed_tasks_since_last_schedule_tasks_(true),
       did_oom_on_last_assign_(false),
       ready_to_activate_check_notifier_(
@@ -324,8 +323,10 @@ void TileManager::DidFinishRunningTasks(TaskSet task_set) {
     // When OOM, keep re-assigning memory until we reach a steady state
     // where top-priority tiles are initialized.
     if (all_tiles_that_need_to_be_rasterized_are_scheduled_ &&
-        !memory_usage_above_limit)
+        !memory_usage_above_limit) {
+      client_->FinishedRasterQueue();
       return;
+    }
 
     rasterizer_->CheckForCompletedTasks();
     did_check_for_completed_tasks_since_last_schedule_tasks_ = true;
@@ -430,7 +431,7 @@ void TileManager::ManageTiles(const GlobalStateThatImpactsTilePriority& state) {
                         resource_pool_->acquired_memory_usage_bytes());
 }
 
-bool TileManager::UpdateVisibleTiles() {
+void TileManager::UpdateVisibleTiles() {
   TRACE_EVENT0("cc", "TileManager::UpdateVisibleTiles");
 
   rasterizer_->CheckForCompletedTasks();
@@ -443,10 +444,6 @@ bool TileManager::UpdateVisibleTiles() {
       "stats",
       RasterTaskCompletionStatsAsValue(update_visible_tiles_stats_));
   update_visible_tiles_stats_ = RasterTaskCompletionStats();
-
-  bool did_initialize_visible_tile = did_initialize_visible_tile_;
-  did_initialize_visible_tile_ = false;
-  return did_initialize_visible_tile;
 }
 
 scoped_refptr<base::debug::ConvertableToTraceFormat>
@@ -822,9 +819,6 @@ void TileManager::OnRasterTaskCompleted(
     mts.draw_info.resource_ = resource.Pass();
   }
 
-  if (tile->priority(ACTIVE_TREE).distance_to_visible == 0.f)
-    did_initialize_visible_tile_ = true;
-
   client_->NotifyTileStateChanged(tile);
 }