Reland: cc: Fix size_t to int truncations in layers/ output/ playback/ quads/

cc/layers/delegated_renderer_layer_impl.h

Index: cc/layers/delegated_renderer_layer_impl.h
diff --git a/cc/layers/delegated_renderer_layer_impl.h b/cc/layers/delegated_renderer_layer_impl.h
index 617d76f3b1e3ae2176ae5ecf0ccb9ad416c6e380..2543894c5d4da9813a93e701b774cd2cf57a6ad4 100644
--- a/cc/layers/delegated_renderer_layer_impl.h
+++ b/cc/layers/delegated_renderer_layer_impl.h
@@ -87,7 +87,9 @@ class CC_EXPORT DelegatedRendererLayerImpl : public LayerImpl {
   bool have_render_passes_to_push_;
   float inverse_device_scale_factor_;
   RenderPassList render_passes_in_draw_order_;
-  base::hash_map<RenderPassId, int> render_passes_index_by_id_;
+
+  using RenderPassToIndexMap = base::hash_map<RenderPassId, size_t>;
+  RenderPassToIndexMap render_passes_index_by_id_;
   ResourceProvider::ResourceIdSet resources_;
 
   int child_id_;