cc : Make CallFunctionForSubtree on impl use layer iterator

cc/debug/invalidation_benchmark.cc

Index: cc/debug/invalidation_benchmark.cc
diff --git a/cc/debug/invalidation_benchmark.cc b/cc/debug/invalidation_benchmark.cc
index 0cd68cb8d9a20cc2f3c7ca9a8d810204cded108a..c4b2b693cb55147a948a6ae7c2fada7f4757ec87 100644
--- a/cc/debug/invalidation_benchmark.cc
+++ b/cc/debug/invalidation_benchmark.cc
@@ -63,7 +63,7 @@ InvalidationBenchmark::~InvalidationBenchmark() {
 }
 
 void InvalidationBenchmark::DidUpdateLayers(LayerTreeHost* host) {
-  LayerTreeHostCommon::CallFunctionForSubtree(
+  LayerTreeHostCommon::CallFunctionForEveryLayer(
       host->root_layer(),
       [this](Layer* layer) { layer->RunMicroBenchmark(this); });
 }