In TextureD3D_2D, don't call Image::redefine directly. Call the TextureD3D_2D::redefine member which will not make unnecessary modifications to the image and lets the member serve as a callback for redefined images. BUG=angleproject:970 Change-Id: I511310ebfd4d6133219bbef82c53747f9454aee0 Reviewed-on: https://chromium-review.googlesource.com/293904 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>