Changing websocket API to make it possible to send array buffers.

lib/dom/idl/dart/dart.idl

Index: lib/dom/idl/dart/dart.idl
diff --git a/lib/dom/idl/dart/dart.idl b/lib/dom/idl/dart/dart.idl
index 553198d2a7fd25e214b37ffff26d8042d3afafd6..4bb1e099be2e19e774467d12aabc5a9c5f2ac681 100644
--- a/lib/dom/idl/dart/dart.idl
+++ b/lib/dom/idl/dart/dart.idl
@@ -302,3 +302,17 @@ module storage {
     [Custom] Dictionary item(in unsigned long index);
   };
 }
+
+module websockets {
+  [Supplemental]
+  interface WebSocket {
+    // Suppress the default since it has non-standard return type and add
+    // overrides.
+    [Suppressed] boolean send(in DOMString data) raises(DOMException);
+    [Custom] void send(DOMString data) raises(DOMException);
+    [Custom] void send(Blob data) raises(DOMException);
+    [Custom] void send(ArrayBuffer data) raises(DOMException);
+    [Custom] void send(ArrayBufferView data) raises(DOMException);
+  };
+}
+