cc: refactor of RenderingStats::TimeDeltaList::AddToTracedValue

cc/debug/rendering_stats.cc

Index: cc/debug/rendering_stats.cc
diff --git a/cc/debug/rendering_stats.cc b/cc/debug/rendering_stats.cc
index 9c62a3c5ea6600683b5e5fdde71bea7246f8eeef..2247b3aded56a4fa8c45e39f03a9a17e6249f48a 100644
--- a/cc/debug/rendering_stats.cc
+++ b/cc/debug/rendering_stats.cc
@@ -17,10 +17,13 @@ void RenderingStats::TimeDeltaList::Append(base::TimeDelta value) {
 }
 
 void RenderingStats::TimeDeltaList::AddToTracedValue(
+    const char* name,
     base::debug::TracedValue* list_value) const {
+  list_value->BeginArray(name);
   for (const auto& value : values) {
     list_value->AppendDouble(value.InMillisecondsF());
   }
+  list_value->EndArray();
 }
 
 void RenderingStats::TimeDeltaList::Add(const TimeDeltaList& other) {
@@ -48,30 +51,22 @@ RenderingStats::AsTraceableData() const {
   record_data->SetInteger("visible_content_area", visible_content_area);
   record_data->SetInteger("approximated_visible_content_area",
                           approximated_visible_content_area);
-  record_data->BeginArray("draw_duration_ms");
-  draw_duration.AddToTracedValue(record_data.get());
-  record_data->EndArray();
+  draw_duration.AddToTracedValue("draw_duration_ms", record_data.get());
 
-  record_data->BeginArray("draw_duration_estimate_ms");
-  draw_duration_estimate.AddToTracedValue(record_data.get());
-  record_data->EndArray();
+  draw_duration_estimate.AddToTracedValue("draw_duration_estimate_ms",
+                                          record_data.get());
 
-  record_data->BeginArray("begin_main_frame_to_commit_duration_ms");
-  begin_main_frame_to_commit_duration.AddToTracedValue(record_data.get());
-  record_data->EndArray();
+  begin_main_frame_to_commit_duration.AddToTracedValue(
+      "begin_main_frame_to_commit_duration_ms", record_data.get());
 
-  record_data->BeginArray("begin_main_frame_to_commit_duration_estimate_ms");
   begin_main_frame_to_commit_duration_estimate.AddToTracedValue(
-      record_data.get());
-  record_data->EndArray();
+      "begin_main_frame_to_commit_duration_estimate_ms", record_data.get());
 
-  record_data->BeginArray("commit_to_activate_duration_ms");
-  commit_to_activate_duration.AddToTracedValue(record_data.get());
-  record_data->EndArray();
+  commit_to_activate_duration.AddToTracedValue("commit_to_activate_duration_ms",
+                                               record_data.get());
 
-  record_data->BeginArray("commit_to_activate_duration_estimate_ms");
-  commit_to_activate_duration_estimate.AddToTracedValue(record_data.get());
-  record_data->EndArray();
+  commit_to_activate_duration_estimate.AddToTracedValue(
+      "commit_to_activate_duration_estimate_ms", record_data.get());
   return record_data;
 }