Deprecate NavigationToFirstContentfulPaint.UserGesture reload variant

chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h

Index: chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h
diff --git a/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h b/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h
index add024694ba60ec3f7f58eb7cd06a51c4883d827..492a133813ed94e02b28687dc67aa297dfb36070 100644
--- a/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h
+++ b/chrome/browser/page_load_metrics/observers/reload_page_load_metrics_observer.h
@@ -13,7 +13,7 @@ namespace chrome {
 // An observer class to report metrics on pages those loading were initiated
 // by one of reload operations including hitting enter in the omnibox.
 // This ignore JavaScript-initiated loadings by location.reload() or
-// history.go(0).
+// history.go(0), and loadings triggered by <meta http-equiv="refresh">.
 class ReloadPageLoadMetricsObserver
     : public page_load_metrics::PageLoadMetricsObserver {
  public:
@@ -27,7 +27,6 @@ class ReloadPageLoadMetricsObserver
 
  private:
   bool page_transition_was_reload_;
-  bool initiated_by_user_gesture_;
 
   DISALLOW_COPY_AND_ASSIGN(ReloadPageLoadMetricsObserver);
 };