Fix video_decode_accelerator_unittest build on non-CrOS

content/common/gpu/media/rendering_helper.cc

Index: content/common/gpu/media/rendering_helper.cc
diff --git a/content/common/gpu/media/rendering_helper.cc b/content/common/gpu/media/rendering_helper.cc
index 3ceea1fa6f9585178c9acda5e13d8f0f4c09ce2f..5a499ff02a878e9da27fb4e7f522e94411bed142 100644
--- a/content/common/gpu/media/rendering_helper.cc
+++ b/content/common/gpu/media/rendering_helper.cc
@@ -40,6 +40,7 @@
 #if defined(USE_OZONE)
 #if defined(OS_CHROMEOS)
 #include "ui/display/chromeos/display_configurator.h"
+#include "ui/display/types/native_display_delegate.h"
 #endif  // defined(OS_CHROMEOS)
 #include "ui/ozone/public/ozone_platform.h"
 #include "ui/platform_window/platform_window.h"
@@ -246,6 +247,7 @@ void RenderingHelper::Setup() {
   base::RunLoop wait_display_setup;
   DisplayConfiguratorObserver display_setup_observer(&wait_display_setup);
   display_configurator_.reset(new ui::DisplayConfigurator());
+  display_configurator_->SetDelegateForTesting(0);
   display_configurator_->AddObserver(&display_setup_observer);
   display_configurator_->Init(true);
   display_configurator_->ForceInitialConfigure(0);