Reenable WebrtcBrowserTest.CanMakeEmptyCallThenAddStreamsAndRenegotiateEnable test again.

content/browser/media/webrtc_browsertest.cc

Index: content/browser/media/webrtc_browsertest.cc
diff --git a/content/browser/media/webrtc_browsertest.cc b/content/browser/media/webrtc_browsertest.cc
index 9e4de3859adff2cb123e314bb971ea36cd281eca..15614c1e3a89c2bea6bd01c22af8cbf17fd1e138 100644
--- a/content/browser/media/webrtc_browsertest.cc
+++ b/content/browser/media/webrtc_browsertest.cc
@@ -154,11 +154,8 @@ IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest, MANUAL_CanSetupCallAndSendDtmf) {
   MakeTypicalPeerConnectionCall("callAndSendDtmf(\'123,abc\');");
 }
 
-// TODO(phoglund): this test fails because the peer connection state will be
-// stable in the second negotiation round rather than have-local-offer.
-// http://crbug.com/293125.
 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
-                       DISABLED_CanMakeEmptyCallThenAddStreamsAndRenegotiate) {
+                       CanMakeEmptyCallThenAddStreamsAndRenegotiate) {
   const char* kJavascript =
       "callEmptyThenAddOneStreamAndRenegotiate({video: true, audio: true});";
   MakeTypicalPeerConnectionCall(kJavascript);