Add logging for ResourceScheduler events.

net/log/net_log_event_type_list.h

Index: net/log/net_log_event_type_list.h
diff --git a/net/log/net_log_event_type_list.h b/net/log/net_log_event_type_list.h
index c7cb11d966733182c08210cc757ccced152c9b49..8d1fb0acdc4d1bdb2a7a4e91a16e95f8843c2c19 100644
--- a/net/log/net_log_event_type_list.h
+++ b/net/log/net_log_event_type_list.h
@@ -3022,3 +3022,16 @@ EVENT_TYPE(UPLOAD_DATA_STREAM_INIT)
 //              the end of file. Result < 0 means an error.>
 // }
 EVENT_TYPE(UPLOAD_DATA_STREAM_READ)
+
+// -----------------------------------------------------------------------------
+// ResourceScheduler related events
+// -----------------------------------------------------------------------------
+
+// The ResourceScheduler has blocked a request.  No parameters.
+EVENT_TYPE(RESOURCE_SCHEDULER_REQUEST_BLOCKED)
+
+// The ResourceScheduler has started a previously blocked request.  Parameters:
+// {
+//   "trigger": <Trigger for evaluation that caused request start>
+// }
+EVENT_TYPE(RESOURCE_SCHEDULER_REQUEST_STARTED)