Instrument parser blocking script execution time.

chrome/renderer/page_load_metrics/metrics_render_frame_observer.cc

 // Copyright 2015 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 "chrome/renderer/page_load_metrics/metrics_render_frame_observer.h"
 
 #include <string>
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
@@ skipping 140 matching lines @@
   if (perf.parseStop() > 0.0)
     timing.parse_stop = ClampDelta(perf.parseStop(), start);
   if (timing.parse_start) {
     // If we started parsing, record all parser durations such as the amount of
     // time blocked on script load, even if those values are zero.
     timing.parse_blocked_on_script_load_duration =
         base::TimeDelta::FromSecondsD(perf.parseBlockedOnScriptLoadDuration());
     timing.parse_blocked_on_script_load_from_document_write_duration =
         base::TimeDelta::FromSecondsD(
             perf.parseBlockedOnScriptLoadFromDocumentWriteDuration());
+    timing.parse_blocked_on_script_execution_duration =
+        base::TimeDelta::FromSecondsD(
+            perf.parseBlockedOnScriptExecutionDuration());
+    timing.parse_blocked_on_script_execution_from_document_write_duration =
+        base::TimeDelta::FromSecondsD(
+            perf.parseBlockedOnScriptExecutionFromDocumentWriteDuration());
   }
   return timing;
 }
 
 std::unique_ptr<base::Timer> MetricsRenderFrameObserver::CreateTimer() const {
   return base::WrapUnique(new base::OneShotTimer);
 }
 
 bool MetricsRenderFrameObserver::HasNoRenderFrame() const {
   bool no_frame = !render_frame() || !render_frame()->GetWebFrame();
   DCHECK(!no_frame);
   return no_frame;
 }
 
 void MetricsRenderFrameObserver::OnDestruct() {
   delete this;
 }
 
 }  // namespace page_load_metrics