Generalize the reload PLMO to support other transition types.

chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.cc

Index: chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.cc
diff --git a/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.cc b/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.cc
deleted file mode 100644
index 1ddecc3408d9ea28fac060b536d63259a4624985..0000000000000000000000000000000000000000
--- a/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.cc
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 2016 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/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h"
-
-#include "chrome/browser/page_load_metrics/observers/core_page_load_metrics_observer.h"
-#include "components/page_load_metrics/browser/page_load_metrics_util.h"
-#include "ui/base/page_transition_types.h"
-
-namespace chrome {
-
-namespace {
-
-const char kHistogramFirstContentfulPaintReload[] =
-    "PageLoad.Clients.Reload.PaintTiming.NavigationToFirstContentfulPaint";
-const char kHistogramFirstContentfulPaintReloadByGesture[] =
-    "PageLoad.Clients.Reload.PaintTiming.NavigationToFirstContentfulPaint."
-    "UserGesture";
-
-}  // namespace
-
-ReloadPageLoadMetricsObserver::ReloadPageLoadMetricsObserver()
-    : page_transition_was_reload_(false), initiated_by_user_gesture_(false) {}
-
-void ReloadPageLoadMetricsObserver::OnCommit(
-    content::NavigationHandle* navigation_handle) {
-  page_transition_was_reload_ = ui::PageTransitionCoreTypeIs(
-      navigation_handle->GetPageTransition(), ui::PAGE_TRANSITION_RELOAD);
-  initiated_by_user_gesture_ = navigation_handle->HasUserGesture();
-}
-
-void ReloadPageLoadMetricsObserver::OnFirstContentfulPaint(
-    const page_load_metrics::PageLoadTiming& timing,
-    const page_load_metrics::PageLoadExtraInfo& extra_info) {
-  if (!page_transition_was_reload_ ||
-      !WasStartedInForegroundEventInForeground(timing.first_contentful_paint,
-                                               extra_info)) {
-    return;
-  }
-
-  PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReload,
-                      timing.first_contentful_paint);
-  if (initiated_by_user_gesture_) {
-    PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReloadByGesture,
-                        timing.first_contentful_paint);
-  }
-}
-
-}  // namespace chrome