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

ui/ozone/public/native_pixmap_manager.cc

Index: ui/ozone/public/native_pixmap_manager.cc
diff --git a/ui/ozone/public/native_pixmap_manager.cc b/ui/ozone/public/native_pixmap_manager.cc
index f9822d4e8947aad4251b690500580c5a1304d7d1..6b9352138c36d5e6f6f2fad361e33a3d22e1dd7f 100644
--- a/ui/ozone/public/native_pixmap_manager.cc
+++ b/ui/ozone/public/native_pixmap_manager.cc
@@ -28,6 +28,14 @@ class StubNativePixmapManager : public NativePixmapManager {
     return std::vector<Configuration>();
   }
 
+  scoped_refptr<NativePixmap> CreateFromFileDescriptor(
+      base::FileDescriptor handle,
+      gfx::Size size,
+      SurfaceFactoryOzone::BufferFormat format,
+      SurfaceFactoryOzone::BufferUsage usage) override {
+    return nullptr;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(StubNativePixmapManager);
 };