Add ability to reuse address in chrome.sockets.udp

extensions/common/api/sockets_udp.idl

Index: extensions/common/api/sockets_udp.idl
diff --git a/extensions/common/api/sockets_udp.idl b/extensions/common/api/sockets_udp.idl
index 784a31d25d77573f467e6a703e519cad86c674f0..e55b20c4aa914ffbda2994a849ac8833f0ce0678 100644
--- a/extensions/common/api/sockets_udp.idl
+++ b/extensions/common/api/sockets_udp.idl
@@ -26,6 +26,9 @@ namespace sockets.udp {
     // The size of the buffer used to receive data. If the buffer is too small
     // to receive the UDP packet, data is lost. The default value is 4096.
     long? bufferSize;
+
+    // Flag indicating if the address can be bound by multiple sockets.
+    boolean? allowAddressReuse;
   };
 
   // Result of <code>create</code> call.
@@ -88,6 +91,9 @@ namespace sockets.udp {
     // events.
     boolean paused;
 
+    // Flag indicating whether the address can be bound by multiple sockets.
+    boolean addressReusable;
+
     // If the underlying socket is bound, contains its local
     // IPv4/6 address.
     DOMString? localAddress;