ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

ui/ozone/platform/egltest/ozone_platform_egltest.cc

Index: ui/ozone/platform/egltest/ozone_platform_egltest.cc
diff --git a/ui/ozone/platform/egltest/ozone_platform_egltest.cc b/ui/ozone/platform/egltest/ozone_platform_egltest.cc
index c7c50e8ba5a944bb318e5df54741a8a153d4d9cb..9627b8670f35d6419c0452ee803b240c16f61c8a 100644
--- a/ui/ozone/platform/egltest/ozone_platform_egltest.cc
+++ b/ui/ozone/platform/egltest/ozone_platform_egltest.cc
@@ -373,6 +373,9 @@ class OzonePlatformEgltest : public OzonePlatform {
   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
     return make_scoped_ptr(new NativeDisplayDelegateOzone());
   }
+  base::ScopedFD OpenClientNativePixmapDevice() const override {
+    return base::ScopedFD();
+  }
 
   void InitializeUI() override {
     device_manager_ = CreateDeviceManager();