Refactor recording of the Startup.FirstWebContents.RenderProcessHostInit.ToNonEmptyPaint metric

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index d18fd32416a5d398395e58b9e776a8c26850380c..d0d9fd30713d135511b76b7e73927bdc08056b9d 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -54,6 +54,7 @@
 #include "cc/base/switches.h"
 #include "cc/output/buffer_to_texture_target_map.h"
 #include "components/metrics/single_sample_metrics.h"
+#include "components/startup_metric_utils/browser/startup_metric_utils.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "content/browser/appcache/appcache_dispatcher_host.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
@@ -1172,6 +1173,13 @@ bool RenderProcessHostImpl::Init() {
 
   is_initialized_ = true;
   init_time_ = base::TimeTicks::Now();
+
+  static bool is_first_call = true;
+  if (is_first_call) {
+    is_first_call = false;
+    startup_metric_utils::RecordFirstRenderProcessHostInit(init_time_);
+  }
+
   return true;
 }