[gtk] (5 commits) Non-fast-forward update to branch wip/gtk322.win.egl

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'wip/gtk322.win.egl' 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:

  f5716ef... [WIP] Add a EGL renderer (via ANGLE) for Windows

Commits added to the branch:

  a8363a9... textview: Simplify creating bubble action buttons (*)
  7886c64... textview: Always show select-all button in touch popup (*)
  26b6071... appchooserdialog: Don't fire notify::heading twice (*)
  d219596... appchooserdialog: Fix memory leak (*)
  25d8386... [WIP] Add a EGL renderer (via ANGLE) for Windows

(*) This commit already existed in another branch; no separate mail sent