Refactor MutatorHostClient from LayerTreeHost to LayerTree.

cc/debug/rasterize_and_record_benchmark.cc

Index: cc/debug/rasterize_and_record_benchmark.cc
diff --git a/cc/debug/rasterize_and_record_benchmark.cc b/cc/debug/rasterize_and_record_benchmark.cc
index 4e4013236a84294ac053b5b9f16dae1e296c4c55..bb833ec65def4465d4ab30eb250ad515ef252abf 100644
--- a/cc/debug/rasterize_and_record_benchmark.cc
+++ b/cc/debug/rasterize_and_record_benchmark.cc
@@ -20,7 +20,7 @@
 #include "cc/layers/picture_layer.h"
 #include "cc/playback/display_item_list.h"
 #include "cc/playback/recording_source.h"
-#include "cc/trees/layer_tree_host.h"
+#include "cc/trees/layer_tree.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "skia/ext/analysis_canvas.h"
 #include "third_party/skia/include/utils/SkPictureUtils.h"
@@ -54,7 +54,7 @@ RasterizeAndRecordBenchmark::RasterizeAndRecordBenchmark(
       record_repeat_count_(kDefaultRecordRepeatCount),
       settings_(std::move(value)),
       main_thread_benchmark_done_(false),
-      host_(nullptr),
+      layer_tree_(nullptr),
       weak_ptr_factory_(this) {
   base::DictionaryValue* settings = nullptr;
   settings_->GetAsDictionary(&settings);
@@ -69,10 +69,10 @@ RasterizeAndRecordBenchmark::~RasterizeAndRecordBenchmark() {
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
-void RasterizeAndRecordBenchmark::DidUpdateLayers(LayerTreeHost* host) {
-  host_ = host;
+void RasterizeAndRecordBenchmark::DidUpdateLayers(LayerTree* layer_tree) {
+  layer_tree_ = layer_tree;
   LayerTreeHostCommon::CallFunctionForEveryLayer(
-      host, [this](Layer* layer) { layer->RunMicroBenchmark(this); });
+      layer_tree, [this](Layer* layer) { layer->RunMicroBenchmark(this); });
 
   DCHECK(!results_.get());
   results_ = base::WrapUnique(new base::DictionaryValue);
@@ -111,7 +111,7 @@ RasterizeAndRecordBenchmark::CreateBenchmarkImpl(
 }
 
 void RasterizeAndRecordBenchmark::RunOnLayer(PictureLayer* layer) {
-  DCHECK(host_);
+  DCHECK(layer_tree_);
 
   if (!layer->DrawsContent())
     return;