Enable WebrtcCastApiTest.Basics

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 eedddbb9ec66b9741cf745f5f1d834b47f47c0a6..56d4a9d9873806cee38819d8ca11fbab44a9287a 100644
--- a/chrome/test/data/extensions/api_test/webrtc_cast/basics.js
+++ b/chrome/test/data/extensions/api_test/webrtc_cast/basics.js
@@ -4,11 +4,6 @@
 
 chrome.test.runTests([
   function udpTransport() {
-    // TODO(hclam): Remove this line when the bug with build bot is
-    // fixed. See crbug.com/315169 and crbug.com/314971.
-    chrome.test.succeed();
-    return;
-
     chrome.webrtc.castUdpTransport.create(function(info) {
       chrome.webrtc.castUdpTransport.start(
           info.transportId,