telemetry: Refactored rasterize_and_record measurement.

cc/debug/rendering_stats.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/values.h"
 #include "cc/debug/rendering_stats.h"
 
 namespace cc {
 
 MainThreadRenderingStats::MainThreadRenderingStats()
     : frame_count(0),
       painted_pixel_count(0),
       recorded_pixel_count(0) {}
 
-void MainThreadRenderingStats::IssueTraceEvent() const {
-  TRACE_EVENT_INSTANT1("benchmark",
-                       "MainThreadRenderingStats::IssueTraceEvent",
-                       TRACE_EVENT_SCOPE_THREAD,
-                       "data", AsTraceableData());
-}
-
 scoped_refptr<base::debug::ConvertableToTraceFormat>
 MainThreadRenderingStats::AsTraceableData() const {
   scoped_ptr<base::DictionaryValue> record_data(new base::DictionaryValue());
   record_data->SetInteger("frame_count", frame_count);
   record_data->SetDouble("paint_time", paint_time.InSecondsF());
   record_data->SetInteger("painted_pixel_count", painted_pixel_count);
   record_data->SetDouble("record_time", record_time.InSecondsF());
   record_data->SetInteger("recorded_pixel_count", recorded_pixel_count);
   return TracedValue::FromValue(record_data.release());
 }
 
 void MainThreadRenderingStats::Add(const MainThreadRenderingStats& other) {
   frame_count += other.frame_count;
   paint_time += other.paint_time;
   painted_pixel_count += other.painted_pixel_count;
   record_time += other.record_time;
   recorded_pixel_count += other.recorded_pixel_count;
 }
 
 ImplThreadRenderingStats::ImplThreadRenderingStats()
     : frame_count(0),
       rasterized_pixel_count(0) {}
 
-void ImplThreadRenderingStats::IssueTraceEvent() const {
-  TRACE_EVENT_INSTANT1("benchmark",
-                       "ImplThreadRenderingStats::IssueTraceEvent",
-                       TRACE_EVENT_SCOPE_THREAD,
-                       "data", AsTraceableData());
-}
-
 scoped_refptr<base::debug::ConvertableToTraceFormat>
 ImplThreadRenderingStats::AsTraceableData() const {
   scoped_ptr<base::DictionaryValue> record_data(new base::DictionaryValue());
   record_data->SetInteger("frame_count", frame_count);
   record_data->SetDouble("rasterize_time", rasterize_time.InSecondsF());
   record_data->SetInteger("rasterized_pixel_count", rasterized_pixel_count);
   return TracedValue::FromValue(record_data.release());
 }
 
 void ImplThreadRenderingStats::Add(const ImplThreadRenderingStats& other) {
@@ skipping 18 matching lines @@
   enumerator->AddInt64("rasterizedPixelCount",
                        impl_stats.rasterized_pixel_count);
 }
 
 void RenderingStats::Add(const RenderingStats& other) {
   main_stats.Add(other.main_stats);
   impl_stats.Add(other.impl_stats);
 }
 
 }  // namespace cc