Implements RTP header dumping.

chrome/browser/resources/hangout_services/thunk.js

Index: chrome/browser/resources/hangout_services/thunk.js
diff --git a/chrome/browser/resources/hangout_services/thunk.js b/chrome/browser/resources/hangout_services/thunk.js
index 80457d4f00a95bfe8d18ebf3ec26bf99f4f7dff0..bda691165f7ca3b5b35d97c1d73ac42bfae9b01f 100644
--- a/chrome/browser/resources/hangout_services/thunk.js
+++ b/chrome/browser/resources/hangout_services/thunk.js
@@ -75,9 +75,11 @@ chrome.runtime.onMessageExternal.addListener(
               sender.tab.id, origin, doSendResponse);
           return true;
         } else if (method == 'logging.stopAndUpload') {
-          chrome.webrtcLoggingPrivate.stop(sender.tab.id, origin, function() {
-            chrome.webrtcLoggingPrivate.upload(
-                sender.tab.id, origin, doSendResponse);
+          stopAllRtpDump(sender.tab.id, origin, function() {
+            chrome.webrtcLoggingPrivate.stop(sender.tab.id, origin, function() {
+              chrome.webrtcLoggingPrivate.upload(
+                  sender.tab.id, origin, doSendResponse);
+            });
           });
           return true;
         } else if (method == 'logging.discard') {
@@ -115,6 +117,18 @@ chrome.runtime.onMessageExternal.addListener(
             doSendResponse(obj.nacl_arch);
           });
           return true;
+        } else if (method == 'logging.startRtpDump') {
+          var incoming = message['incoming'] || false;
+          var outgoing = message['outgoing'] || false;
+          chrome.webrtcLoggingPrivate.startRtpDump(
+              sender.tab.id, origin, incoming, outgoing, doSendResponse);
+          return true;
+        } else if (method == 'logging.stopRtpDump') {
+          var incoming = message['incoming'] || false;
+          var outgoing = message['outgoing'] || false;
+          chrome.webrtcLoggingPrivate.stopRtpDump(
+              sender.tab.id, origin, incoming, outgoing, doSendResponse);
+          return true;
         }
         throw new Error('Unknown method: ' + method);
       } catch (e) {
@@ -208,6 +222,17 @@ function onProcessCpu(port) {
   });
 }
 
+function stopAllRtpDump(tabId, origin, callback) {
+  // Stops incoming and outgoing separately, otherwise stopRtpDump will fail if
+  // either type of dump has not been started.
+  chrome.webrtcLoggingPrivate.stopRtpDump(
+      tabId, origin, true, false,
+      function() {
+        chrome.webrtcLoggingPrivate.stopRtpDump(
+            tabId, origin, false, true, callback);
+      });
+}
+
 chrome.runtime.onConnectExternal.addListener(function(port) {
   if (port.name == 'onSinksChangedListener') {
     onSinksChangedPort(port);