Implement browser-side logging to WebRtc log

content/public/browser/render_process_host.h

Index: content/public/browser/render_process_host.h
diff --git a/content/public/browser/render_process_host.h b/content/public/browser/render_process_host.h
index 436108a398bd7eef071a9c1001d6ea0d2d75804d..2e458da7a34c15325bf5fff2257f25e8c0c825c9 100644
--- a/content/public/browser/render_process_host.h
+++ b/content/public/browser/render_process_host.h
@@ -215,6 +215,10 @@ class CONTENT_EXPORT RenderProcessHost : public IPC::Sender,
 #if defined(ENABLE_WEBRTC)
   virtual void EnableAecDump(const base::FilePath& file) = 0;
   virtual void DisableAecDump() = 0;
+
+  virtual void SetWebRtcLogMessageCallback(

[jam, 2014/01/17 05:47:44]

nit: add comment

[vrk (LEFT CHROMIUM), 2014/01/22 02:25:42]

Done.

+      base::Callback<void(const std::string&)> callback) = 0;
+  virtual void WebRtcLogMessage(const std::string& message) = 0;

[jam, 2014/01/17 05:47:44]

this is only called from inside content, so it should just be on
RenderProcessHostImpl only

[vrk (LEFT CHROMIUM), 2014/01/22 02:25:42]

Done.

 #endif
 
   // Static management functions -----------------------------------------------