[NetInfo] Add Blink support for connection.change, connection.downlinkMax, and wimax

Source/modules/netinfo/NetworkInformation.idl

Index: Source/modules/netinfo/NetworkInformation.idl
diff --git a/Source/modules/netinfo/NetworkInformation.idl b/Source/modules/netinfo/NetworkInformation.idl
index 166c2b5658d1df95c2f45cb35f43a7f38f1a3916..b8d5bfeb893b5adea8ce11c01c373b6ed842068f 100644
--- a/Source/modules/netinfo/NetworkInformation.idl
+++ b/Source/modules/netinfo/NetworkInformation.idl
@@ -7,18 +7,23 @@ enum ConnectionType {
     "bluetooth",
     "ethernet",
     "wifi",
+    "wimax",
     "other",
     "none",
     "unknown"
 };
 
+typedef unrestricted double Megabit;
+
 [
     RuntimeEnabled=NetworkInformation,
     Exposed=(Window,Worker),
     GarbageCollected,
     ActiveDOMObject
 ] interface NetworkInformation : EventTarget {
-    readonly attribute ConnectionType type;
-    attribute EventHandler ontypechange;
+    [MeasureAs=NetInfoType] readonly attribute ConnectionType type;
+    [RuntimeEnabled=NetInfoDownlinkMax, MeasureAs=NetInfoDownlinkMax] readonly attribute Megabit downlinkMax;
+    [RuntimeEnabled=NetInfoDownlinkMax, MeasureAs=NetInfoOnChange] attribute EventHandler onchange;
+    [MeasureAs=NetInfoOnTypeChange] attribute EventHandler ontypechange;
 };