ozone: Implement zero/one-copy texture for Ozone GBM.

sandbox/linux/BUILD.gn

Index: sandbox/linux/BUILD.gn
diff --git a/sandbox/linux/BUILD.gn b/sandbox/linux/BUILD.gn
index 84966854cec7762df3530489d16dfacb818f14ed..f42ac3247903d64c438b0bd92b7dea0640fbd683 100644
--- a/sandbox/linux/BUILD.gn
+++ b/sandbox/linux/BUILD.gn
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
+import("//build/config/ui.gni")
+import("//build/config/linux/pkg_config.gni")
 import("//testing/test.gni")
 
 declare_args() {
@@ -212,6 +214,14 @@ component("seccomp_bpf_helpers") {
     ":sandbox_services",
     ":seccomp_bpf",
   ]
+
+  if (ozone_platform_gbm) {
+    defines += [ "USE_OZONE_GBM" ]
+    pkg_config("libdrm") {
+      packages = [ "libdrm" ]
+    }
+    public_configs = [ ":libdrm" ]
+  }
 }
 
 if (is_linux) {