ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope

content/browser/service_worker/service_worker_version.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_version.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 1078 matching lines @@
           base::FeatureList::OVERRIDE_DISABLE_FEATURE)) {
     return NavigationPreloadSupportStatus::
         NOT_SUPPORTED_DISABLED_BY_COMMAND_LINE;
   }
   if (base::FeatureList::IsEnabled(features::kServiceWorkerNavigationPreload)) {
     return NavigationPreloadSupportStatus::SUPPORTED;
   }
   return NavigationPreloadSupportStatus::NOT_SUPPORTED_FIELD_TRIAL_STOPPED;
 }
 
+void ServiceWorkerVersion::CountFeature(uint32_t feature) {
+  if (!used_features_.insert(feature).second)
+    return;
+  for (auto provider_host_by_uuid : controllee_map_)
+    provider_host_by_uuid.second->CountFeature(feature);
+}
+
 void ServiceWorkerVersion::OnSimpleEventResponse(
     int request_id,
     blink::WebServiceWorkerEventResult result,
     base::Time dispatch_event_time) {
   ServiceWorkerStatusCode status = SERVICE_WORKER_OK;
   if (result == blink::WebServiceWorkerEventResultRejected)
     status = SERVICE_WORKER_ERROR_EVENT_WAITUNTIL_REJECTED;
   OnSimpleEventFinished(request_id, status, dispatch_event_time);
 }
 
@@ skipping 777 matching lines @@
 
 void ServiceWorkerVersion::CleanUpExternalRequest(
     const std::string& request_uuid,
     ServiceWorkerStatusCode status) {
   if (status == SERVICE_WORKER_OK)
     return;
   external_request_uuid_to_request_id_.erase(request_uuid);
 }
 
 }  // namespace content