Deprecate NavigationToFirstContentfulPaint.UserGesture reload variant

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
index 1ddecc3408d9ea28fac060b536d63259a4624985..6e3a23c886f9ac67c1c39ef5c30f9def41e0a18c 100644
--- 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
@@ -14,20 +14,16 @@ 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) {}
+    : page_transition_was_reload_(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(
@@ -41,10 +37,6 @@ void ReloadPageLoadMetricsObserver::OnFirstContentfulPaint(
 
   PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReload,
                       timing.first_contentful_paint);
-  if (initiated_by_user_gesture_) {
-    PAGE_LOAD_HISTOGRAM(kHistogramFirstContentfulPaintReloadByGesture,
-                        timing.first_contentful_paint);
-  }
 }
 
 }  // namespace chrome