Add "Supports overlays" information to about:gpu.

gpu/ipc/common/gpu_info_struct_traits.cc

Index: gpu/ipc/common/gpu_info_struct_traits.cc
diff --git a/gpu/ipc/common/gpu_info_struct_traits.cc b/gpu/ipc/common/gpu_info_struct_traits.cc
index d73b78a6afdda191dfdd3168d1376c551df476c7..9b1803a9ba056a2ae0138bd4054db9d612aad4f2 100644
--- a/gpu/ipc/common/gpu_info_struct_traits.cc
+++ b/gpu/ipc/common/gpu_info_struct_traits.cc
@@ -245,6 +245,7 @@ bool StructTraits<gpu::mojom::GpuInfoDataView, gpu::GPUInfo>::Read(
   out->sandboxed = data.sandboxed();
   out->in_process_gpu = data.in_process_gpu();
   out->passthrough_cmd_decoder = data.passthrough_cmd_decoder();
+  out->supports_overlays = data.supports_overlays();
   out->process_crash_count = data.process_crash_count();
   out->jpeg_decode_accelerator_supported =
       data.jpeg_decode_accelerator_supported();