Disable flaky WebRtcAudioBrowserTest.CanMakeVideoCallAndThenRenegotiateToAudio on Linux.

content/browser/webrtc/webrtc_audio_browsertest.cc

Index: content/browser/webrtc/webrtc_audio_browsertest.cc
diff --git a/content/browser/webrtc/webrtc_audio_browsertest.cc b/content/browser/webrtc/webrtc_audio_browsertest.cc
index 5b66e50b2a372dd4cf779db4965244eefa01aa75..dabe2f6de9d0e7eb638206acc768857761fd36dd 100644
--- a/content/browser/webrtc/webrtc_audio_browsertest.cc
+++ b/content/browser/webrtc/webrtc_audio_browsertest.cc
@@ -61,8 +61,16 @@ class MAYBE_WebRtcAudioBrowserTest : public WebRtcContentBrowserTestBase {
   }
 };
 
+// Flaky on Linux. http://crbug.com/733551
+#if defined(OS_LINUX)
+#define MAYBE_CanMakeVideoCallAndThenRenegotiateToAudio \
+  DISABLED_CanMakeVideoCallAndThenRenegotiateToAudio
+#else
+#define MAYBE_CanMakeVideoCallAndThenRenegotiateToAudio \
+  CanMakeVideoCallAndThenRenegotiateToAudio
+#endif
 IN_PROC_BROWSER_TEST_F(MAYBE_WebRtcAudioBrowserTest,
-                       CanMakeVideoCallAndThenRenegotiateToAudio) {
+                       MAYBE_CanMakeVideoCallAndThenRenegotiateToAudio) {
   MakeAudioDetectingPeerConnectionCall(
       "callAndRenegotiateToAudio({audio: true, video:true}, {audio: true});");
 }