[gtk] (11 commits) Non-fast-forward update to branch wip/baedert/gl-rework

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/gl-rework' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  7cf5732... tooitem: Plug memory leak
  37be794... toolitem: Remove unused members
  27130e6... cssimagelinear: Avoid computing the length if we know it
  5151605... cssimagelinear: Don't call get_start_end if !repeating
  e3ff45c... scrolledwindow: Don't snapshot junction if we use indicator
  3360673... text: Reset cursor opacity when unmapping
  a11d494... gl renderer: Sprinkle some const around
  2e758d0... bin: Avoid some type checks
  dc1a940... bin: Move vfunc implementations before class_init
  c031ddb... snapshot: Only normalize rectangle if we have to

Commits added to the branch:

  8b1072e... toolitem: Plug memory leak
  a070dec... toolitem: Remove unused members
  c3069fd... cssimagelinear: Avoid computing the length if we know it
  0174c6b... cssimagelinear: Don't call get_start_end if !repeating
  b14d0e1... scrolledwindow: Don't snapshot junction if we use indicator
  4525581... text: Reset cursor opacity when unmapping
  dce142e... gl renderer: Sprinkle some const around
  0d3688b... bin: Avoid some type checks
  b8adad5... bin: Move vfunc implementations before class_init
  606306a... snapshot: Only normalize rectangle if we have to
  608f931... transform: Compare class before ->next