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

Source/web/WebNetworkStateNotifier.cpp

Index: Source/web/WebNetworkStateNotifier.cpp
diff --git a/Source/web/WebNetworkStateNotifier.cpp b/Source/web/WebNetworkStateNotifier.cpp
index c0dca6b934410ed51ee7b084a6c4673558c680d8..ec2a05692defa52f12c05581cf8781ceb64c07c6 100644
--- a/Source/web/WebNetworkStateNotifier.cpp
+++ b/Source/web/WebNetworkStateNotifier.cpp
@@ -42,7 +42,12 @@ void WebNetworkStateNotifier::setOnLine(bool onLine)
 
 void WebNetworkStateNotifier::setWebConnectionType(WebConnectionType type)
 {
-    networkStateNotifier().setWebConnectionType(type);
+    setWebConnection(type, 0.0);
+}
+
+void WebNetworkStateNotifier::setWebConnection(WebConnectionType type, double maxBandwidth)
+{
+    networkStateNotifier().setWebConnection(type, maxBandwidth);
 }
 
 } // namespace blink