exo: Add drm support to motion_events.

components/exo/wayland/BUILD.gn

Index: components/exo/wayland/BUILD.gn
diff --git a/components/exo/wayland/BUILD.gn b/components/exo/wayland/BUILD.gn
index 7d138c7792ede6825b41045b9e99a0ea78239062..3e3ababf4e4c8c7496a28fdd400e88d5224f115b 100644
--- a/components/exo/wayland/BUILD.gn
+++ b/components/exo/wayland/BUILD.gn
@@ -4,6 +4,7 @@
 
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
+import("//ui/ozone/ozone.gni")
 
 if (use_xkbcommon) {
   pkg_config("xkbcommon") {
@@ -89,5 +90,22 @@ executable("wayland_motion_events") {
   deps = [
     "//base",
     "//third_party/wayland:wayland_client",
+    "//third_party/wayland-protocols:linux_dmabuf_protocol",
+    "//ui/gfx/geometry",
+    "//ui/gl",
+    "//ui/gl/init",
   ]
+
+  if (ozone_platform_gbm) {
+    configs += [
+      ":libdrm",
+      "//ui/gl:gl_config",
+    ]
+    defines = [ "OZONE_PLATFORM_GBM" ]
+    deps += [ "//third_party/minigbm" ]
+    ldflags = [
+      "-lEGL",
+      "-lGLESv2",

[reveman, 2016/11/04 22:34:14]

do we need these?

[Daniele Castagna, 2016/11/05 21:05:11]

No, removed.

+    ]
+  }
 }