[Page Load Metrics] PageLoadMetrics Mojofication.

chrome/renderer/page_load_metrics/page_timing_sender.h

+// Copyright 2017 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.
+
+#ifndef CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_TIMING_SENDER_H_
+#define CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_TIMING_SENDER_H_
+
+#include <memory>
+
+#include "chrome/common/page_load_metrics/page_load_metrics.mojom.h"
+
+namespace content {
+
+class RenderFrame;
+
+}  // namespace content
+
+namespace page_load_metrics {
+
+// PageTimingSender is an interface that is responsible for sending page load
+// timing through IPC.
+class PageTimingSender {
+ public:
+  virtual ~PageTimingSender() {}
+  static std::unique_ptr<PageTimingSender> CreatePageTimingSender(
+      content::RenderFrame* render_frame,
+      const int routing_id);
+  virtual void SendTiming(const mojom::PageLoadTimingPtr& timing,
+                          const mojom::PageLoadMetadataPtr& metadata) = 0;
+};
+
+}  // namespace page_load_metrics
+
+#endif  // CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_TIMING_SENDER_H_