Connecting webrtc-internals WebUI frontend with the backend

content/browser/renderer_host/media/peer_connection_tracker_host.cc

Index: content/browser/renderer_host/media/peer_connection_tracker_host.cc
diff --git a/content/browser/renderer_host/media/peer_connection_tracker_host.cc b/content/browser/renderer_host/media/peer_connection_tracker_host.cc
index d4a8ac6b66e58097840d7be6acab4f58d63a57d5..ce55368c7008aa2176e061cec6cca9b236ea2ddc 100644
--- a/content/browser/renderer_host/media/peer_connection_tracker_host.cc
+++ b/content/browser/renderer_host/media/peer_connection_tracker_host.cc
@@ -4,9 +4,9 @@
 #include "content/browser/renderer_host/media/peer_connection_tracker_host.h"
 
 #include "base/process_util.h"
-#include "content/browser/media/webrtc_internals.h"
 #include "content/common/media/peer_connection_tracker_messages.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/webrtc_internals.h"
 
 namespace content {
 
@@ -31,13 +31,32 @@ PeerConnectionTrackerHost::~PeerConnectionTrackerHost() {
 
 void PeerConnectionTrackerHost::OnAddPeerConnection(
     const PeerConnectionInfo& info) {
-  WebRTCInternals::GetInstance()->AddPeerConnection(
-      base::GetProcId(peer_handle()), info);
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(&PeerConnectionTrackerHost::OnAddPeerConnectionOnUIThread,

[jam, 2013/01/18 18:27:33]

why are you doing the dispatching manually instead of using
OverrideThreadForMessage?

[jiayl, 2013/01/18 19:20:00]

I tried using OverrideThreadForMessage and it didn't work and I thought it needs
to be override on the sender side. But then I looked more and found I checked
the message type wrongly. :P
Now It works.

+                 this, info));
+}
+
+void PeerConnectionTrackerHost::OnAddPeerConnectionOnUIThread(
+    const PeerConnectionInfo& info) {
+  GetContentClient()->browser()->GetWebRTCInternals()->
+      AddPeerConnection(base::GetProcId(peer_handle()),
+                        info.lid,
+                        info.url,
+                        info.servers,
+                        info.constraints);
 }
 
 void PeerConnectionTrackerHost::OnRemovePeerConnection(int lid) {
-  WebRTCInternals::GetInstance()->RemovePeerConnection(
-      base::GetProcId(peer_handle()), lid);
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(&PeerConnectionTrackerHost::OnRemovePeerConnectionOnUIThread,
+                 this, lid));
+}
+
+void PeerConnectionTrackerHost::OnRemovePeerConnectionOnUIThread(int lid) {
+  GetContentClient()->browser()->GetWebRTCInternals()->
+      RemovePeerConnection(base::GetProcId(peer_handle()), lid);
 }
 
 }  // namespace content