[gtk] drawingcontext: Remove unused APIs

[Benjamin Otte <otte src gnome org>]

commit 39d930c065da341999db5e7428c00b7ef5780c0d
Author: Benjamin Otte <otte redhat com>
Date:   Wed Apr 11 19:20:17 2018 +0200

    drawingcontext: Remove unused APIs

 docs/reference/gdk/gdk4-sections.txt |  2 --
 gdk/gdkdrawingcontext.c              | 41 ------------------------------------
 gdk/gdkdrawingcontext.h              |  5 -----
 3 files changed, 48 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index fcb247b6ac..c3df377949 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -1188,10 +1188,8 @@ GDK_IS_MONITOR
 <SECTION>
 <FILE>gdkdrawingcontext</FILE>
 GdkDrawingContext
-gdk_drawing_context_get_surface
 gdk_drawing_context_get_clip
 gdk_drawing_context_get_cairo_context
-gdk_drawing_context_is_valid
 gdk_drawing_context_get_paint_context
 
 <SUBSECTION Standard>
diff --git a/gdk/gdkdrawingcontext.c b/gdk/gdkdrawingcontext.c
index 9489ecb93f..d25a421e34 100644
--- a/gdk/gdkdrawingcontext.c
+++ b/gdk/gdkdrawingcontext.c
@@ -289,24 +289,6 @@ gdk_drawing_context_get_cairo_context (GdkDrawingContext *context)
   return priv->cr;
 }
 
-/**
- * gdk_drawing_context_get_surface:
- * @context: a #GdkDrawingContext
- *
- * Retrieves the surface that created the drawing @context.
- *
- * Returns: (transfer none): a #GdkSurface
- */
-GdkSurface *
-gdk_drawing_context_get_surface (GdkDrawingContext *context)
-{
-  GdkDrawingContextPrivate *priv = gdk_drawing_context_get_instance_private (context);
-
-  g_return_val_if_fail (GDK_IS_DRAWING_CONTEXT (context), NULL);
-
-  return priv->surface;
-}
-
 /**
  * gdk_drawing_context_get_paint_context:
  * @context: a #GdkDrawingContext
@@ -346,26 +328,3 @@ gdk_drawing_context_get_clip (GdkDrawingContext *context)
   return cairo_region_copy (priv->clip);
 }
 
-/**
- * gdk_drawing_context_is_valid:
- * @context: a #GdkDrawingContext
- *
- * Checks whether the given #GdkDrawingContext is valid.
- *
- * Returns: %TRUE if the context is valid
- */
-gboolean
-gdk_drawing_context_is_valid (GdkDrawingContext *context)
-{
-  GdkDrawingContextPrivate *priv = gdk_drawing_context_get_instance_private (context);
-
-  g_return_val_if_fail (GDK_IS_DRAWING_CONTEXT (context), FALSE);
-
-  if (priv->surface == NULL)
-    return FALSE;
-
-  if (gdk_surface_get_drawing_context (priv->surface) != context)
-    return FALSE;
-
-  return TRUE;
-}
diff --git a/gdk/gdkdrawingcontext.h b/gdk/gdkdrawingcontext.h
index 541e30bbe1..44bb43b89c 100644
--- a/gdk/gdkdrawingcontext.h
+++ b/gdk/gdkdrawingcontext.h
@@ -36,16 +36,11 @@ typedef struct _GdkDrawingContextClass  GdkDrawingContextClass;
 GDK_AVAILABLE_IN_ALL
 GType gdk_drawing_context_get_type (void) G_GNUC_CONST;
 
-GDK_AVAILABLE_IN_ALL
-GdkSurface *     gdk_drawing_context_get_surface          (GdkDrawingContext *context);
 GDK_AVAILABLE_IN_ALL
 GdkDrawContext* gdk_drawing_context_get_paint_context   (GdkDrawingContext *context);
 GDK_AVAILABLE_IN_ALL
 cairo_region_t *gdk_drawing_context_get_clip            (GdkDrawingContext *context);
 
-GDK_AVAILABLE_IN_ALL
-gboolean        gdk_drawing_context_is_valid            (GdkDrawingContext *context);
-
 GDK_AVAILABLE_IN_ALL
 cairo_t *       gdk_drawing_context_get_cairo_context   (GdkDrawingContext *context);