[Ozone-Dri] Adding initial content protection support

ui/ozone/platform/dri/test/mock_dri_wrapper.cc

Index: ui/ozone/platform/dri/test/mock_dri_wrapper.cc
diff --git a/ui/ozone/platform/dri/test/mock_dri_wrapper.cc b/ui/ozone/platform/dri/test/mock_dri_wrapper.cc
index 89c8aa8c946e97b624d74ab2ca689bfb998296c1..1ac521563ed8a0409cf7c1cf97720106987b8bd0 100644
--- a/ui/ozone/platform/dri/test/mock_dri_wrapper.cc
+++ b/ui/ozone/platform/dri/test/mock_dri_wrapper.cc
@@ -61,6 +61,10 @@ bool MockDriWrapper::SetCrtc(drmModeCrtc* crtc,
   return true;
 }
 
+ScopedDrmConnectorPtr MockDriWrapper::GetConnector(uint32_t connector_id) {
+  return ScopedDrmConnectorPtr(DrmAllocator<drmModeConnector>());
+}
+
 bool MockDriWrapper::AddFramebuffer(uint32_t width,
                                     uint32_t height,
                                     uint8_t depth,