Implement browser-side logging to WebRtc log

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 317f979b5e832f404e5e2819a7f67d8231c3f5fc..34a61f75b56b7da289ffcf5a2a7998e779e80cfd 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1520,6 +1520,18 @@ void RenderProcessHostImpl::DisableAecDump() {
       base::Bind(&RenderProcessHostImpl::SendDisableAecDumpToRenderer,
                  weak_factory_.GetWeakPtr()));
 }
+
+void RenderProcessHostImpl::SetWebRtcLogMessageCallback(

[jam, 2014/01/22 03:20:01]

nit: we try to sort the methods in the cc file to match the order of the header,
so please put these methods in their order even if htat means multiple ifdefs in
the file

[vrk (LEFT CHROMIUM), 2014/01/22 04:38:06]

Done.

+    base::Callback<void(const std::string&)> callback) {
+  DCHECK(webrtc_log_message_callback_.is_null());
+  webrtc_log_message_callback_ = callback;
+}
+
+void RenderProcessHostImpl::WebRtcLogMessage(const std::string& message) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  if (!webrtc_log_message_callback_.is_null())
+    webrtc_log_message_callback_.Run(message);
+}
 #endif
 
 IPC::ChannelProxy* RenderProcessHostImpl::GetChannel() {