cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/test/fake_layer_tree_host_impl.cc

Index: cc/test/fake_layer_tree_host_impl.cc
diff --git a/cc/test/fake_layer_tree_host_impl.cc b/cc/test/fake_layer_tree_host_impl.cc
index 64d0150da9f96b448745aef098ed6b2a6559266d..66d1b33ece4b3da5c9c3f4fb26faaa29559f848e 100644
--- a/cc/test/fake_layer_tree_host_impl.cc
+++ b/cc/test/fake_layer_tree_host_impl.cc
@@ -7,7 +7,11 @@
 namespace cc {
 
 FakeLayerTreeHostImpl::FakeLayerTreeHostImpl(Proxy* proxy)
-    : LayerTreeHostImpl(LayerTreeSettings(), &client_, proxy)
+    : rendering_stats_recorder_(RenderingStatsRecorder::create()),
+      LayerTreeHostImpl(LayerTreeSettings(),
+                        &client_,
+                        proxy,
+                        rendering_stats_recorder_.get())
 {
   // Explicitly clear all debug settings.
   setDebugState(LayerTreeDebugState());
@@ -16,7 +20,11 @@ FakeLayerTreeHostImpl::FakeLayerTreeHostImpl(Proxy* proxy)
 FakeLayerTreeHostImpl::FakeLayerTreeHostImpl(
     const LayerTreeSettings& settings,
     Proxy* proxy)
-    : LayerTreeHostImpl(settings, &client_, proxy)
+    : rendering_stats_recorder_(RenderingStatsRecorder::create()),
+      LayerTreeHostImpl(settings,
+                        &client_,
+                        proxy,
+                        rendering_stats_recorder_.get())
 {
   // Explicitly clear all debug settings.
   setDebugState(LayerTreeDebugState());