Added UkmPageLoadMetricsObserver which sends top-level metrics to UKM
Initial minimal version which just logs FirstContentfulPaint.
Requires https://codereview.chromium.org/2649303004/ and https://codereview.chromium.org/2649983005/#
[email protected]
BUG=684673
Review-Url: https://codereview.chromium.org/2654843003
Cr-Commit-Position: refs/heads/master@{#447571}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 443d291..118bea9 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -802,6 +802,8 @@
"page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer.h",
"page_load_metrics/observers/service_worker_page_load_metrics_observer.cc",
"page_load_metrics/observers/service_worker_page_load_metrics_observer.h",
+ "page_load_metrics/observers/ukm_page_load_metrics_observer.cc",
+ "page_load_metrics/observers/ukm_page_load_metrics_observer.h",
"page_load_metrics/page_load_metrics_embedder_interface.h",
"page_load_metrics/page_load_metrics_initialize.cc",
"page_load_metrics/page_load_metrics_initialize.h",
@@ -4292,6 +4294,7 @@
"//components/subresource_filter/core/browser:test_support",
"//components/subresource_filter/core/common:test_support",
"//components/sync_preferences:test_support",
+ "//components/ukm:test_support",
"//components/user_prefs/tracked:user_prefs_tracked_test_support",
"//content/test:test_support",
"//google_apis:test_support",
