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Unified Diff: cc/trees/layer_tree.cc

Issue 2484743002: UMA metric for LayerUpdateTimes (Closed)
Patch Set: UMA metric for LayerUpdateTimes and understand the impact of number of layers on it Created 4 years, 1 month ago
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Index: cc/trees/layer_tree.cc
diff --git a/cc/trees/layer_tree.cc b/cc/trees/layer_tree.cc
index 3d46e3fae10b4ccb39fac6c7b0116a0f9f1cd40c..38926f657107bad09e88664b53be24257d083c6c 100644
--- a/cc/trees/layer_tree.cc
+++ b/cc/trees/layer_tree.cc
@@ -264,6 +264,10 @@ Layer* LayerTree::LayerById(int id) const {
return iter != layer_id_map_.end() ? iter->second : nullptr;
}
+size_t LayerTree::NumLayers() const {
+ return layer_id_map_.size();
+}
+
bool LayerTree::UpdateLayers(const LayerList& update_layer_list,
bool* content_is_suitable_for_gpu) {
base::AutoReset<bool> painting(&in_paint_layer_contents_, true);
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