Updated to Chrome 45 (2454) moved from SVN to git.

modules/beacon/NavigatorBeacon.idl

Index: modules/beacon/NavigatorBeacon.idl
diff --git a/modules/beacon/NavigatorBeacon.idl b/modules/beacon/NavigatorBeacon.idl
index 7b31421a6a0dfff77bded9ae6066468a1603ad38..34f73236a45f98b3534ffd54e9a02ccbb0fae617 100644
--- a/modules/beacon/NavigatorBeacon.idl
+++ b/modules/beacon/NavigatorBeacon.idl
@@ -4,12 +4,6 @@
 
 // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/Beacon/Overview.html#Navigator
 
-[
-    RuntimeEnabled=Beacon,
-] partial interface Navigator {
-    // FIXME: should be union type http://crbug.com/240176
-    [CallWith=ExecutionContext, MeasureAs=SendBeacon, RaisesException] boolean sendBeacon(DOMString url, ArrayBufferView data);
-    [CallWith=ExecutionContext, MeasureAs=SendBeacon, RaisesException] boolean sendBeacon(DOMString url, Blob data);
-    [CallWith=ExecutionContext, MeasureAs=SendBeacon, RaisesException] boolean sendBeacon(DOMString url, FormData data);
-    [CallWith=ExecutionContext, MeasureAs=SendBeacon, RaisesException] boolean sendBeacon(DOMString url, [Default=Undefined] optional DOMString data);
+partial interface Navigator {
+    [CallWith=ExecutionContext, MeasureAs=SendBeacon, RaisesException] boolean sendBeacon(DOMString url, optional (ArrayBufferView or Blob or DOMString or FormData)? data = null);
 };