[gtk] (14 commits) Non-fast-forward update to branch matthiasc/for-master

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/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:

  74980c5... filechooserwidget: Remove homegrown profiling
  fcf072f... filechooserwidget: Use dropdown api better
  fb35457... Remove unused includes
  b8e44ae... filechooserdialog: Stop using the embed interface
  5200876... Drop GtkFileChooserEmbed
  67bd643... Fix gtk_file_chooser_error_stack_set_custom_error

Commits added to the branch:

  f1ad883... pathbar: Drop the Private struct (*)
  053223b... pathbar: Stop using GtkFileSystem (*)
  0210850... Reduce includes of gtkfilesystem.h (*)
  b41d380... filechooserbutton: Stop using GtkFileSystem (*)
  ef3f997... filechooser: Drop get_file_system from the interface (*)
  bdcda2d... filechooserwidget: Stop using GtkFileSystem (*)
  8a8b96b... Drop GtkFileSystem (*)
  7ddbbb5... Merge branch 'drop-file-system' into 'master' (*)
  aa5ab02... filechooserwidget: Remove homegrown profiling
  65ecfa2... filechooserwidget: Use dropdown api better
  d8abcdb... Remove unused includes
  2e6b881... filechooserdialog: Stop using the embed interface
  ff3a163... Drop GtkFileChooserEmbed
  0cce041... Fix gtk_file_chooser_error_stack_set_custom_error

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