Unify graphics buffer format & usage enums for GpuMemoryBuffer & SurfaceFactoryOzone

ui/gl/gl_surface_ozone.cc

Index: ui/gl/gl_surface_ozone.cc
diff --git a/ui/gl/gl_surface_ozone.cc b/ui/gl/gl_surface_ozone.cc
index a0167510f6fb78a98c46334e02ec8448a2fbcffd..38625566f0b0d3eec7eabce8d08fe2e8b3432b33 100644
--- a/ui/gl/gl_surface_ozone.cc
+++ b/ui/gl/gl_surface_ozone.cc
@@ -542,14 +542,13 @@ bool GLSurfaceOzoneSurfacelessSurfaceImpl::CreatePixmaps() {
         ui::OzonePlatform::GetInstance()
             ->GetSurfaceFactoryOzone()
             ->CreateNativePixmap(widget_, GetSize(),
-                                 ui::SurfaceFactoryOzone::BGRA_8888,
-                                 ui::SurfaceFactoryOzone::SCANOUT);
+                                 gfx::BufferFormat::BGRA_8888,
+                                 gfx::BufferUsage::SCANOUT);
     if (!pixmap)
       return false;
     scoped_refptr<GLImageOzoneNativePixmap> image =
         new GLImageOzoneNativePixmap(GetSize(), GL_BGRA_EXT);
-    if (!image->Initialize(pixmap.get(),
-                           gfx::GpuMemoryBuffer::Format::BGRA_8888))
+    if (!image->Initialize(pixmap.get(), gfx::BufferFormat::BGRA_8888))
       return false;
     images_[i] = image;
     // Bind image to texture.