Update DataReductionProxy page load metrics to log immediately.

chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc

Index: chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc
diff --git a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc
index 2bdfa521afda2d000e370e94f4773761719fcd71..efbb7492a9900ad93b21d228e5e9c678ba204da0 100644
--- a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc
+++ b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer_unittest.cc
@@ -61,9 +61,10 @@ class DataReductionProxyMetricsObserverWrapper
     observer_->OnCommit(navigation_handle);
   }
 
-  void OnComplete(const page_load_metrics::PageLoadTiming& timing,
-                  const page_load_metrics::PageLoadExtraInfo& info) override {
-    observer_->OnComplete(timing, info);
+  void OnFirstContentfulPaint(
+      const page_load_metrics::PageLoadTiming& timing,
+      const page_load_metrics::PageLoadExtraInfo& info) override {
+    observer_->OnFirstContentfulPaint(timing, info);
   }
 
  private: