Revert of [Page Load Metrics] PageLoadMetrics Mojofication.

chrome/renderer/page_load_metrics/page_timing_sender.h

Index: chrome/renderer/page_load_metrics/page_timing_sender.h
diff --git a/chrome/renderer/page_load_metrics/page_timing_sender.h b/chrome/renderer/page_load_metrics/page_timing_sender.h
deleted file mode 100644
index 142d298688d80636c560accc1906006feb1bbd51..0000000000000000000000000000000000000000
--- a/chrome/renderer/page_load_metrics/page_timing_sender.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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 "chrome/common/page_load_metrics/page_load_metrics.mojom.h"
-
-namespace page_load_metrics {
-
-// PageTimingSender is an interface that is responsible for sending page load
-// timing through IPC.
-class PageTimingSender {
- public:
-  virtual ~PageTimingSender() {}
-  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_