Handle compositor/worker context the same wrt. visibility

cc/tiles/tile_manager.cc

Index: cc/tiles/tile_manager.cc
diff --git a/cc/tiles/tile_manager.cc b/cc/tiles/tile_manager.cc
index 457c4379abcf28595404c00033d6942279548f40..e9a84a765293fe5619cd9e1fe77221a87ecb6ed1 100644
--- a/cc/tiles/tile_manager.cc
+++ b/cc/tiles/tile_manager.cc
@@ -474,11 +474,8 @@ void TileManager::DidFinishRunningAllTileTasks() {
 
   has_scheduled_tile_tasks_ = false;
 
-  bool memory_usage_above_limit = resource_pool_->memory_usage_bytes() >
-                                  global_state_.soft_memory_limit_in_bytes;
-
   if (all_tiles_that_need_to_be_rasterized_are_scheduled_ &&
-      !memory_usage_above_limit) {
+      !resource_pool_->ResourceUsageTooHigh()) {
     // TODO(ericrk): We should find a better way to safely handle re-entrant
     // notifications than always having to schedule a new task.
     // http://crbug.com/498439