Allow hw secured codecs on chromecast

chromecast/browser/cast_content_window.cc

Index: chromecast/browser/cast_content_window.cc
diff --git a/chromecast/browser/cast_content_window.cc b/chromecast/browser/cast_content_window.cc
index cd7e7e231a4f5497b009ce2c54b86488118c4ba7..feaaf267f591003b967f49be384373368dab06eb 100644
--- a/chromecast/browser/cast_content_window.cc
+++ b/chromecast/browser/cast_content_window.cc
@@ -9,10 +9,12 @@
 #include "base/threading/thread_restrictions.h"
 #include "chromecast/base/metrics/cast_metrics_helper.h"
 #include "chromecast/browser/cast_browser_process.h"
+#include "chromecast/chromecast_features.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/renderer_preferences.h"
 #include "ipc/ipc_message.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
@@ -107,12 +109,22 @@ std::unique_ptr<content::WebContents> CastContentWindow::CreateWebContents(
   gfx::Size display_size =
       display::Screen::GetScreen()->GetPrimaryDisplay().size();
 
-  content::WebContents::CreateParams create_params(browser_context, NULL);
+  content::WebContents::CreateParams create_params(browser_context, nullptr);
   create_params.routing_id = MSG_ROUTING_NONE;
   create_params.initial_size = display_size;
   content::WebContents* web_contents = content::WebContents::Create(
       create_params);
   content::WebContentsObserver::Observe(web_contents);
+
+#if !BUILDFLAG(DISABLE_DISPLAY)
+  content::RendererPreferences* prefs = web_contents->GetMutableRendererPrefs();
+  prefs->hw_secure_codec_allowed = true;
+
+  content::RenderViewHost* host = web_contents->GetRenderViewHost();
+  if (host)
+    host->SyncRendererPrefs();
+#endif  // !BUILDFLAG(DISABLE_DISPLAY)
+
   return base::WrapUnique(web_contents);
 }