[gtk+] Revert "[Quartz Bug 663182] NSImage throws an exception from _gtk_quartz_create_image_from_pixbuf()"

[John Ralls <jralls src gnome org>]

commit 42656dde57ac1b661ff0692ed210617ec49d34c0
Author: John Ralls <jralls ceridwen us>
Date:   Mon Nov 7 13:48:03 2011 -0800

    Revert "[Quartz Bug 663182] NSImage throws an exception from _gtk_quartz_create_image_from_pixbuf()". Utterly screwed up. Sorry.
    
    This reverts commit 8216324e4b13f0349ed3c0f854d41e6b32d1f0cb.
    and          commit 3243e6955cd4014345170fdd9246a13eacad86dd.

 gtk/gtkdnd-quartz.c |    5 -----
 gtk/gtkquartz.c     |    8 --------
 2 files changed, 0 insertions(+), 13 deletions(-)
---
diff --git a/gtk/gtkdnd-quartz.c b/gtk/gtkdnd-quartz.c
index 2f01c65..0653261 100644
--- a/gtk/gtkdnd-quartz.c
+++ b/gtk/gtkdnd-quartz.c
@@ -1081,11 +1081,6 @@ gtk_drag_begin_idle (gpointer arg)
   point = [info->nsevent locationInWindow];
 
   drag_image = _gtk_quartz_create_image_from_pixbuf (info->icon_pixbuf);
-  if (drag_image == NULL)
-    {
-      g_object_unref (info->context);
-      return point;
-    }
 
   point.x -= info->hot_x;
   point.y -= info->hot_y;
diff --git a/gtk/gtkquartz.c b/gtk/gtkquartz.c
index 3b9558d..7457000 100644
--- a/gtk/gtkquartz.c
+++ b/gtk/gtkquartz.c
@@ -35,11 +35,9 @@ _gtk_quartz_create_image_from_pixbuf (GdkPixbuf *pixbuf)
   int rowstride, pixbuf_width, pixbuf_height;
   gboolean has_alpha;
   NSImage *nsimage;
-  NSSize nsimage_size;
 
   pixbuf_width = gdk_pixbuf_get_width (pixbuf);
   pixbuf_height = gdk_pixbuf_get_height (pixbuf);
-  g_return_val_if_fail (pixbuf_width == 0 && pixbuf_height == 0, NULL);
   rowstride = gdk_pixbuf_get_rowstride (pixbuf);
   has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
 
@@ -59,12 +57,6 @@ _gtk_quartz_create_image_from_pixbuf (GdkPixbuf *pixbuf)
   CGColorSpaceRelease (colorspace);
 
   nsimage = [[NSImage alloc] initWithSize:NSMakeSize (pixbuf_width, pixbuf_height)];
-  nsimage_size = [nsimage size];
-  if (size.width == 0.0 && size.height == 0.0)
-    {
-      [nsimage release];
-      g_return_val_if_fail (FALSE, NULL);
-    }
   [nsimage lockFocus];
 
   context = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];