NotForReview: Implement zero/one-copy texture for ozone freon using Intel DRM

ui/ozone/platform/drm/BUILD.gn

Index: ui/ozone/platform/drm/BUILD.gn
diff --git a/ui/ozone/platform/drm/BUILD.gn b/ui/ozone/platform/drm/BUILD.gn
index 9cc58f88e3a93bda0ef4eba324fdfaedc68a9617..e2c0bbc208f6e4e22d6dc8f75fb221050f51ed2b 100644
--- a/ui/ozone/platform/drm/BUILD.gn
+++ b/ui/ozone/platform/drm/BUILD.gn
@@ -184,5 +184,14 @@ if (ozone_platform_gbm) {
     if (use_mesa_platform_null) {
       defines += [ "USE_MESA_PLATFORM_NULL" ]
     }
+    if (current_cpu == "x86" || current_cpu == "x64") {
+      sources = [
+        "gpu/gbm_map_pixmap_intel.cc",
+        "gpu/gbm_map_pixmap_intel.h",
+      ]
+      pkg_config("libdrm_intel") {
+        packages = [ "libdrm_intel" ]
+      }
+    }
   }
 }