[mutter] renderer/native: Remove legacy non-stage-view code

[Jonas Ådahl <jadahl src gnome org>]

commit 2c1ab8b3ccddd73572700d50e7b190c8de448adc
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Feb 12 11:25:45 2019 +0100

    renderer/native: Remove legacy non-stage-view code
    
    A renderer view will, under the native backend, since long ago always
    have a logical monitor associated with it, so remove the code handling
    the legacy non-stage view case.
    
    https://gitlab.gnome.org/GNOME/mutter/issues/460

 src/backends/native/meta-renderer-native.c | 31 +++++-------------------------
 1 file changed, 5 insertions(+), 26 deletions(-)
---
diff --git a/src/backends/native/meta-renderer-native.c b/src/backends/native/meta-renderer-native.c
index 5813a41b8..d6199e0d0 100644
--- a/src/backends/native/meta-renderer-native.c
+++ b/src/backends/native/meta-renderer-native.c
@@ -1704,7 +1704,6 @@ meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
 {
   CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
   MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
-  MetaGpuKms *render_gpu = onscreen_native->render_gpu;
   MetaRendererView *view = onscreen_native->view;
   GClosure *flip_closure;
   MetaLogicalMonitor *logical_monitor;
@@ -1728,32 +1727,12 @@ meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
   /* Either flip the CRTC's of the monitor info, if we are drawing just part
    * of the stage, or all of the CRTC's if we are drawing the whole stage.
    */
+  FlipCrtcData data = {
+    .onscreen = onscreen,
+    .flip_closure = flip_closure,
+  };
   logical_monitor = meta_renderer_view_get_logical_monitor (view);
-  if (logical_monitor)
-    {
-      FlipCrtcData data = {
-        .onscreen = onscreen,
-        .flip_closure = flip_closure,
-      };
-
-      meta_logical_monitor_foreach_crtc (logical_monitor,
-                                         flip_crtc,
-                                         &data);
-      fb_in_use = data.out_fb_in_use;
-    }
-  else
-    {
-      GList *l;
-
-      for (l = meta_gpu_get_crtcs (META_GPU (render_gpu)); l; l = l->next)
-        {
-          MetaCrtc *crtc = l->data;
-
-          meta_onscreen_native_flip_crtc (onscreen, flip_closure,
-                                          crtc, crtc->rect.x, crtc->rect.y,
-                                          &fb_in_use);
-        }
-    }
+  meta_logical_monitor_foreach_crtc (logical_monitor, flip_crtc, &data);
 
   /*
    * If the framebuffer is in use, but we don't have any pending flips it means