NetInfo network quality extension: Add callbacks and Layout tests

third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html

Index: third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html
diff --git a/third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html b/third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html
index d5124dd701eec278dc1331a6979c96ed05f0c145..db30c9eee9b574263353e22cf96092b8a9752cf1 100644
--- a/third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html
+++ b/third_party/WebKit/LayoutTests/netinfo/unregister-during-event.html
@@ -14,6 +14,9 @@ shouldBe('typeof window.internals.observeGC', '"function"',
 var otherHandler = function(e) {
     shouldBe('connection.type', 'initialType');
     shouldBe('connection.downlinkMax', 'initialDownlinkMax');
+    shouldBe('connection.effectiveType', 'initialEffectiveType');
+    shouldBe('connection.rtt', 'initialRtt');
+    shouldBe('connection.downlink', 'initialDownlink');
 
     finishJSTest();
 };
@@ -21,6 +24,9 @@ var otherHandler = function(e) {
 var handler = function(e) {
     shouldBe('connection.type', 'newConnectionType');
     shouldBe('connection.downlinkMax', 'newDownlinkMax');
+    shouldBe('connection.effectiveType', 'initialEffectiveType');
+    shouldBe('connection.rtt', 'initialRtt');
+    shouldBe('connection.downlink', 'initialDownlink');
     connection.removeEventListener('change', handler);
     connection.addEventListener('change', otherHandler);
     internals.setNetworkConnectionInfoOverride(isTypeOnline(initialType), initialType, initialDownlinkMax);