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

chrome/browser/metrics/first_web_contents_profiler.cc

Index: chrome/browser/metrics/first_web_contents_profiler.cc
diff --git a/chrome/browser/metrics/first_web_contents_profiler.cc b/chrome/browser/metrics/first_web_contents_profiler.cc
index dc87c1f8bcb447f36a317658a9dbe6a373ba1662..f3bd1f3ef52a44fe5e7f5f4b95f5c2be447ccf0b 100644
--- a/chrome/browser/metrics/first_web_contents_profiler.cc
+++ b/chrome/browser/metrics/first_web_contents_profiler.cc
@@ -108,10 +108,7 @@ void FirstWebContentsProfiler::DidFirstVisuallyNonEmptyPaint() {
 
   collected_paint_metric_ = true;
   startup_metric_utils::RecordFirstWebContentsNonEmptyPaint(
-      base::TimeTicks::Now(), web_contents()
-                                  ->GetMainFrame()
-                                  ->GetProcess()
-                                  ->GetInitTimeForNavigationMetrics());
+      base::TimeTicks::Now());
 
   metrics::TrackingSynchronizer::OnProfilingPhaseCompleted(
       metrics::ProfilerEventProto::EVENT_FIRST_NONEMPTY_PAINT);