2 files changed, 47 insertions, 9 deletions
diff --git a/components/script/dom/performanceresourcetiming.rs b/components/script/dom/performanceresourcetiming.rs
index 5d755240458..7f4785ea4e4 100644
--- a/components/script/dom/performanceresourcetiming.rs
+++ b/components/script/dom/performanceresourcetiming.rs
@@ -50,9 +50,9 @@ pub struct PerformanceResourceTiming {
     request_start: f64,
     response_start: f64,
     response_end: f64,
-    // transfer_size: f64, //size in octets
-    // encoded_body_size: f64, //size in octets
-    // decoded_body_size: f64, //size in octets
+    transfer_size: u64,     //size in octets
+    encoded_body_size: u64, //size in octets
+    decoded_body_size: u64, //size in octets
 }
 
 // TODO(#21254): startTime
@@ -71,10 +71,15 @@ impl PerformanceResourceTiming {
         next_hop: Option<DOMString>,
         fetch_start: f64,
     ) -> PerformanceResourceTiming {
+        let entry_type = if initiator_type == InitiatorType::Navigation {
+            DOMString::from("navigation")
+        } else {
+            DOMString::from("resource")
+        };
         PerformanceResourceTiming {
             entry: PerformanceEntry::new_inherited(
                 DOMString::from(url.into_string()),
-                DOMString::from("resource"),
+                entry_type,
                 0.,
                 0.,
             ),
@@ -92,6 +97,9 @@ impl PerformanceResourceTiming {
             request_start: 0.,
             response_start: 0.,
             response_end: 0.,
+            transfer_size: 0,
+            encoded_body_size: 0,
+            decoded_body_size: 0,
         }
     }
 
@@ -117,13 +125,18 @@ impl PerformanceResourceTiming {
             redirect_end: resource_timing.redirect_end as f64,
             fetch_start: resource_timing.fetch_start as f64,
             domain_lookup_start: resource_timing.domain_lookup_start as f64,
+            //TODO (#21260)
             domain_lookup_end: 0.,
             connect_start: resource_timing.connect_start as f64,
             connect_end: resource_timing.connect_end as f64,
+            // TODO (#21271)
             secure_connection_start: 0.,
             request_start: resource_timing.request_start as f64,
             response_start: resource_timing.response_start as f64,
             response_end: resource_timing.response_end as f64,
+            transfer_size: 0,
+            encoded_body_size: 0,
+            decoded_body_size: 0,
         }
     }
 
@@ -175,6 +188,31 @@ impl PerformanceResourceTimingMethods for PerformanceResourceTiming {
         Finite::wrap(self.domain_lookup_start)
     }
 
+    // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-domainlookupend
+    fn DomainLookupEnd(&self) -> DOMHighResTimeStamp {
+        Finite::wrap(self.domain_lookup_end)
+    }
+
+    // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-secureconnectionstart
+    fn SecureConnectionStart(&self) -> DOMHighResTimeStamp {
+        Finite::wrap(self.secure_connection_start)
+    }
+
+    // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-transfersize
+    fn TransferSize(&self) -> u64 {
+        self.transfer_size
+    }
+
+    // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-encodedbodysize
+    fn EncodedBodySize(&self) -> u64 {
+        self.encoded_body_size
+    }
+
+    // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-decodedbodysize
+    fn DecodedBodySize(&self) -> u64 {
+        self.decoded_body_size
+    }
+
     // https://w3c.github.io/resource-timing/#dom-performanceresourcetiming-requeststart
     fn RequestStart(&self) -> DOMHighResTimeStamp {
         Finite::wrap(self.request_start)
diff --git a/components/script/dom/webidls/PerformanceResourceTiming.webidl b/components/script/dom/webidls/PerformanceResourceTiming.webidl
index e4f73197a8c..50a6dba1416 100644
--- a/components/script/dom/webidls/PerformanceResourceTiming.webidl
+++ b/components/script/dom/webidls/PerformanceResourceTiming.webidl
@@ -16,15 +16,15 @@ interface PerformanceResourceTiming : PerformanceEntry {
     readonly attribute DOMHighResTimeStamp redirectEnd;
     readonly attribute DOMHighResTimeStamp fetchStart;
     readonly attribute DOMHighResTimeStamp domainLookupStart;
-    // readonly attribute DOMHighResTimeStamp domainLookupEnd;
+    readonly attribute DOMHighResTimeStamp domainLookupEnd;
     readonly attribute DOMHighResTimeStamp connectStart;
     readonly attribute DOMHighResTimeStamp connectEnd;
-    // readonly attribute DOMHighResTimeStamp secureConnectionStart;
+    readonly attribute DOMHighResTimeStamp secureConnectionStart;
     readonly attribute DOMHighResTimeStamp requestStart;
     readonly attribute DOMHighResTimeStamp responseStart;
     readonly attribute DOMHighResTimeStamp responseEnd;
-    /// readonly attribute unsigned long long  transferSize;
-    /// readonly attribute unsigned long long  encodedBodySize;
-    /// readonly attribute unsigned long long  decodedBodySize;
+    readonly attribute unsigned long long  transferSize;
+    readonly attribute unsigned long long  encodedBodySize;
+    readonly attribute unsigned long long  decodedBodySize;
     [Default] object toJSON();
 };