[Page Load Metrics] PageLoadMetrics Mojofication.

chrome/renderer/page_load_metrics/page_timing_metrics_sender.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/page_timing_metrics_sender.h"
 
 #include <utility>
 
 #include "base/callback.h"
+#include "base/feature_list.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/page_load_metrics/page_load_metrics_messages.h"
+#include "chrome/renderer/page_load_metrics/page_timing_sender.h"
 #include "ipc/ipc_sender.h"
 
 namespace page_load_metrics {
 
 namespace {
 const int kInitialTimerDelayMillis = 50;
 const int kTimerDelayMillis = 1000;
 }  // namespace
 
 PageTimingMetricsSender::PageTimingMetricsSender(
     IPC::Sender* ipc_sender,
     int routing_id,
+    PageTimingSender* page_timing_sender,
     std::unique_ptr<base::Timer> timer,
     const PageLoadTiming& initial_timing)
     : ipc_sender_(ipc_sender),
       routing_id_(routing_id),
+      page_timing_sender_(page_timing_sender),
       timer_(std::move(timer)),
       last_timing_(initial_timing),
       metadata_(PageLoadMetadata()) {
   if (!initial_timing.IsEmpty()) {
     // Send an initial IPC relatively early to help track aborts.
     EnsureSendTimer(kInitialTimerDelayMillis);
   }
 }
 
 // On destruction, we want to send any data we have if we have a timer
@@ skipping 30 matching lines @@
 }
 
 void PageTimingMetricsSender::EnsureSendTimer(int delay) {
   if (!timer_->IsRunning())
     timer_->Start(
         FROM_HERE, base::TimeDelta::FromMilliseconds(delay),
         base::Bind(&PageTimingMetricsSender::SendNow, base::Unretained(this)));
 }
 
 void PageTimingMetricsSender::SendNow() {
+  if (base::FeatureList::IsEnabled(features::kPageLoadMetricsMojofication)) {
+    page_timing_sender_->SendTiming(last_timing_, metadata_);
+    return;
+  }
   ipc_sender_->Send(new PageLoadMetricsMsg_TimingUpdated(
       routing_id_, last_timing_, metadata_));
 }
 
 }  // namespace page_load_metrics