Track input latency while starting a ServiceWorker for a navigation hint.

content/browser/renderer_host/input/render_widget_host_latency_tracker.h

Index: content/browser/renderer_host/input/render_widget_host_latency_tracker.h
diff --git a/content/browser/renderer_host/input/render_widget_host_latency_tracker.h b/content/browser/renderer_host/input/render_widget_host_latency_tracker.h
index f86d628d95384ad11d91d2bd8f3de09e9991c527..1dc74f2c86cf6c788f4be33d4dd37d09104abbeb 100644
--- a/content/browser/renderer_host/input/render_widget_host_latency_tracker.h
+++ b/content/browser/renderer_host/input/render_widget_host_latency_tracker.h
@@ -55,7 +55,8 @@ class CONTENT_EXPORT RenderWidgetHostLatencyTracker {
   // Terminates latency tracking for events that triggered rendering, also
   // performing relevant UMA latency reporting.
   // Called when the RenderWidgetHost receives a swap update from the GPU.
-  void OnFrameSwapped(const ui::LatencyInfo& latency);
+  void OnFrameSwapped(const ui::LatencyInfo& latency,
+                      bool is_running_navigation_hint_task);
 
   // WebInputEvent coordinates are in DPIs, while LatencyInfo expects
   // coordinates in device pixels.