Implement native bindings for cast extensions API

chrome/test/data/extensions/api_test/webrtc_cast/basics.js

Index: chrome/test/data/extensions/api_test/webrtc_cast/basics.js
diff --git a/chrome/test/data/extensions/api_test/webrtc_cast/basics.js b/chrome/test/data/extensions/api_test/webrtc_cast/basics.js
index fd5a76dd259e5b5606fbbbe44e67fa08ad28559c..56d4a9d9873806cee38819d8ca11fbab44a9287a 100644
--- a/chrome/test/data/extensions/api_test/webrtc_cast/basics.js
+++ b/chrome/test/data/extensions/api_test/webrtc_cast/basics.js
@@ -5,14 +5,12 @@
 chrome.test.runTests([
   function udpTransport() {
     chrome.webrtc.castUdpTransport.create(function(info) {
-      chrome.webrtc.start(info.transportId,
-                          {address: "127.0.0.1", port: 60613});
-      chrome.webrtc.stop(info.transportId);
-      chrome.webrtc.destroy(info.transportId);
+      chrome.webrtc.castUdpTransport.start(
+          info.transportId,
+          {address: "127.0.0.1", port: 60613});
+      chrome.webrtc.castUdpTransport.stop(info.transportId);
+      chrome.webrtc.castUdpTransport.destroy(info.transportId);
       chrome.test.succeed();
     });
-    // TODO(hclam): Remove this line when the API is actually working.
-    // This is there so the test can finish.
-    chrome.test.succeed();
   }
 ]);