Adding local stream mute tests, tightening up WebRTC audio tests.

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 f7d7a1217f236581659f369deb4b738a60f13982..eba2575b3449089104289bb2c2bb714d7e1c788d 100644
--- a/content/browser/media/webrtc_browsertest.cc
+++ b/content/browser/media/webrtc_browsertest.cc
@@ -357,9 +357,31 @@ IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
 }
 
 IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
-                       EstablishAudioVideoCallAndVerifyMutingWorks) {
+                       EstablishAudioVideoCallAndVerifyRemoteMutingWorks) {
   MakeAudioDetectingPeerConnectionCall(base::StringPrintf(
-      "callAndEnsureAudioTrackMutingWorks(%s);", kUseLenientAudioChecking));
+      "callAndEnsureRemoteAudioTrackMutingWorks(%s);",
+      kUseLenientAudioChecking));
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
+                       EstablishAudioVideoCallAndVerifyLocalMutingWorks) {
+  MakeAudioDetectingPeerConnectionCall(base::StringPrintf(
+      "callAndEnsureLocalAudioTrackMutingWorks(%s);",
+      kUseLenientAudioChecking));
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
+                       EnsureLocalVideoMuteDoesntMuteAudio) {
+  MakeAudioDetectingPeerConnectionCall(base::StringPrintf(
+      "callAndEnsureLocalVideoMutingDoesntMuteAudio(%s);",
+      kUseLenientAudioChecking));
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcBrowserTest,
+                       EnsureRemoteVideoMuteDoesntMuteAudio) {
+  MakeAudioDetectingPeerConnectionCall(base::StringPrintf(
+      "callAndEnsureRemoteVideoMutingDoesntMuteAudio(%s);",
+      kUseLenientAudioChecking));
 }
 
 // Flaky on TSAN v2: http://crbug.com/373637