Chromecast on Android buildfix: don't try to create a RendererFactory.

chromecast/renderer/cast_content_renderer_client.cc

Index: chromecast/renderer/cast_content_renderer_client.cc
diff --git a/chromecast/renderer/cast_content_renderer_client.cc b/chromecast/renderer/cast_content_renderer_client.cc
index c2d91de9d3c283df2f132a3ad3a31a24e640a69b..3bd16a70d9dbb876237ad42d4df569f1996187c1 100644
--- a/chromecast/renderer/cast_content_renderer_client.cc
+++ b/chromecast/renderer/cast_content_renderer_client.cc
@@ -72,6 +72,7 @@ void CastContentRendererClient::AddKeySystems(
   AddChromecastPlatformKeySystems(key_systems);
 }
 
+#if !defined(OS_ANDROID)
 scoped_ptr<::media::RendererFactory>
 CastContentRendererClient::CreateMediaRendererFactory(
     ::content::RenderFrame* render_frame) {
@@ -83,6 +84,7 @@ CastContentRendererClient::CreateMediaRendererFactory(
       new chromecast::media::CmaMediaRendererFactory(
           render_frame->GetRoutingID()));
 }
+#endif
 
 blink::WebPrescientNetworking*
 CastContentRendererClient::GetPrescientNetworking() {