Fixes to Cast use of overlays for video frames

chromecast/browser/cast_browser_main_parts.cc

Index: chromecast/browser/cast_browser_main_parts.cc
diff --git a/chromecast/browser/cast_browser_main_parts.cc b/chromecast/browser/cast_browser_main_parts.cc
index 046e3ba40757bcaddb9f3902864cd358a2af9f67..70649b404dc886ffef5d466048221f96b7c44038 100644
--- a/chromecast/browser/cast_browser_main_parts.cc
+++ b/chromecast/browser/cast_browser_main_parts.cc
@@ -27,6 +27,7 @@
 #include "chromecast/browser/cast_browser_process.h"
 #include "chromecast/browser/cast_net_log.h"
 #include "chromecast/browser/devtools/remote_debugging_server.h"
+#include "chromecast/browser/media/cma_message_loop.h"
 #include "chromecast/browser/metrics/cast_metrics_prefs.h"
 #include "chromecast/browser/metrics/cast_metrics_service_client.h"
 #include "chromecast/browser/pref_service_helper.h"
@@ -390,7 +391,10 @@ void CastBrowserMainParts::PostMainMessageLoopRun() {
   DeregisterKillOnAlarm();
 #endif
 
-  media::CastMediaShlib::Finalize();
+  // Finalize CastMediaShlib on media thread to ensure it's not accessed
+  // after Finalize.
+  chromecast::media::CmaMessageLoop::GetTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&media::CastMediaShlib::Finalize));
 }
 
 }  // namespace shell