[gtk] (7 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  a7f82f1... widget: Try to reuse allocated_transform in size_allocate()
  682c6db... widget: Try to reuse priv->transform when allocating
  ba5c087... headerbar: Remove size request on icon button
  32ade17... headerbar: Replace gtk_widget_destroy() call
  3240456... inspector: Remove double borders in recorder
  c0e766a... colorchooser: Fix typo in checkerboard color
  aabc0f4... pathbar: Inherit from GtkWidget

Commits added to the branch:

  fc154ee... headerbar: Remove size request on icon button
  f90444e... headerbar: Replace gtk_widget_destroy() call
  d6e90b1... inspector: Remove double borders in recorder
  3ca3b69... colorchooser: Fix typo in checkerboard color
  ddb68e9... pathbar: Inherit from GtkWidget
  6e79bd4... widget: Try to reuse allocated_transform in size_allocate()
  55ba9f2... widget: Try to reuse priv->transform when allocating