Convert force video overlay to preference

chromecast/browser/cast_content_browser_client.cc

Index: chromecast/browser/cast_content_browser_client.cc
diff --git a/chromecast/browser/cast_content_browser_client.cc b/chromecast/browser/cast_content_browser_client.cc
index 4b39434d19a10e6c445b062329a17dcb59e08640..09043fe94999eace2e3c1ac63d2da2caf22ca373 100644
--- a/chromecast/browser/cast_content_browser_client.cc
+++ b/chromecast/browser/cast_content_browser_client.cc
@@ -139,9 +139,6 @@ void CastContentBrowserClient::AppendExtraCommandLineSwitches(
   if (process_type == switches::kRendererProcess) {
     // Any browser command-line switches that should be propagated to
     // the renderer go here.
-#if defined(OS_ANDROID)
-    command_line->AppendSwitch(switches::kForceUseOverlayEmbeddedVideo);
-#endif  // defined(OS_ANDROID)
 
     if (browser_command_line->HasSwitch(switches::kEnableCmaMediaPipeline))
       command_line->AppendSwitch(switches::kEnableCmaMediaPipeline);