[gtk] (11 commits) Created branch wip/otte/for-master

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/for-master' was created.

Summary of new commits:

  67a604d... window: present() the toplevel only once
  bb3b540... window: Don't map children twice
  0b47b92... build: Define if options should be enabled or disbaled
  aad8420... surface: Remove generic invalidation calls
  a12d6dc... surface: Pass width/height/scale to update_size()
  6afd74b... surface: Make gdk_surface_update_size() update the size
  542c863... surface: Add a private struct
  c5c11af... x11: Use GdkSurface's scale factor
  07a3c00... broadway: Use scale factor of GdkSurface
  2bb5ef7... macos: Use GdkSurface's scale factor
  572e501... gstmedia: Ensure we prepare files without duration