Plumb media data from renderers up to MediaInternals in the browser process.

chrome/browser/media/media_internals.cc

Index: chrome/browser/media/media_internals.cc
diff --git a/chrome/browser/media/media_internals.cc b/chrome/browser/media/media_internals.cc
index bf632817a11c20eea767f93f7f2c53744f86a2bc..a563db36f399cb951e392e9e7aec3ae7cd0589f9 100644
--- a/chrome/browser/media/media_internals.cc
+++ b/chrome/browser/media/media_internals.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/media/media_internals_observer.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/webui/web_ui.h"
+#include "media/base/media_log_event.h"
 
 // The names of the javascript functions to call with updates.
 static const char kDeleteItemFunction[] = "media.onItemDeleted";
@@ -46,6 +47,13 @@ void MediaInternals::OnSetAudioStreamVolume(
                     "volume", Value::CreateDoubleValue(volume));
 }
 
+void MediaInternals::OnMediaEvent(
+    int render_process_id, const media::MediaLogEvent& event) {
+  DCHECK(CalledOnValidThread());
+  // TODO(scottfr): Handle |event|. Record status information in data_ and pass
+  //                |event| along to observers.
+}
+
 void MediaInternals::AddObserver(MediaInternalsObserver* observer) {
   DCHECK(CalledOnValidThread());
   observers_.AddObserver(observer);