Send an event to the page load metrics to track resource starting.
This will eventually allow page load metrics consumers to calculate
a percentage of known resource request completion dynamically.
Design doc here:
https://docs.google.com/document/d/1dxGOMsUkmxfoNUfQKqZRi4qAhWVGh9DZDiFI1arkiJ0
BUG=699313
Review-Url: https://codereview.chromium.org/2780003003
Cr-Commit-Position: refs/heads/master@{#467011}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 42b2955a..ae72f49f 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -836,6 +836,8 @@
"page_load_metrics/observers/protocol_page_load_metrics_observer.h",
"page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer.cc",
"page_load_metrics/observers/resource_prefetch_predictor_page_load_metrics_observer.h",
+ "page_load_metrics/observers/resource_tracking_page_load_metrics_observer.cc",
+ "page_load_metrics/observers/resource_tracking_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/subresource_filter_metrics_observer.cc",
