cc: Make TileManager task limit configurable

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 2061 matching lines @@
         context_provider,
         resource_provider_.get(),
         GetMaxTransferBufferUsageBytes(context_provider->ContextCapabilities(),
                                        settings_.refresh_rate));
   }
 
   tile_manager_ = TileManager::Create(this,
                                       task_runner,
                                       resource_pool_.get(),
                                       raster_worker_pool_->AsRasterizer(),
-                                      rendering_stats_instrumentation_);
+                                      rendering_stats_instrumentation_,
+                                      settings().scheduled_raster_task_limit);
 
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
   need_to_update_visible_tiles_before_draw_ = false;
 }
 
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_ = nullptr;
   resource_pool_ = nullptr;
   staging_resource_pool_ = nullptr;
   raster_worker_pool_ = nullptr;
@@ skipping 1384 matching lines @@
 }
 
 void LayerTreeHostImpl::UnregisterPictureLayerImpl(PictureLayerImpl* layer) {
   std::vector<PictureLayerImpl*>::iterator it =
       std::find(picture_layers_.begin(), picture_layers_.end(), layer);
   DCHECK(it != picture_layers_.end());
   picture_layers_.erase(it);
 }
 
 }  // namespace cc