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

content/common/BUILD.gn

Index: content/common/BUILD.gn
diff --git a/content/common/BUILD.gn b/content/common/BUILD.gn
index 25627f1d1cc6b2652f9a9981cf34228e34236f4e..d9b77616f1fb4725db870a35274d3cc7eef9a160 100644
--- a/content/common/BUILD.gn
+++ b/content/common/BUILD.gn
@@ -4,6 +4,7 @@
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
+import("//build/config/linux/pkg_config.gni")
 import("//content/common/common.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
@@ -254,6 +255,18 @@ source_set("common") {
     deps += [ "//ppapi/proxy:ipc_sources" ]
   }
 
+  if (ozone_platform_gbm) {
+    defines += [ "USE_OZONE_GBM" ]
+    sources += [
+      "gpu/client/gpu_memory_buffer_impl_ozone_gbm.cc",
+      "gpu/client/gpu_memory_buffer_impl_ozone_gbm.h",
+    ]
+    pkg_config("libdrm") {
+      packages = [ "libdrm" ]
+    }
+    public_configs = [ ":libdrm" ]
+  }
+
   if (is_ios) {
     sources -= [ "user_agent.cc" ]
     assert(false, "Need to add lots of conditions here")