Bug 380464 - "crashed [@ gfxPlatformGtk::SetSurfaceGdkWindow] in case where I used to see bug 263160" [p=vlad r=stuart a=blocking1.9+]

gfx/thebes/public/gfxPlatformGtk.h

@@ -57,11 +57,6 @@ public:
     already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
                                                          gfxASurface::gfxImageFormat imageFormat);
 
-    GdkDrawable *GetSurfaceGdkDrawable(gfxASurface *aSurf);
-
-    void SetSurfaceGdkWindow(gfxASurface *aSurf,
-                             GdkWindow *win);
-
     nsresult GetFontList(const nsACString& aLangGroup,
                          const nsACString& aGenericFamily,
                          nsStringArray& aListOfFonts);

gfx/thebes/src/gfxPlatformGtk.cpp

@@ -69,14 +69,6 @@
 PRInt32 gfxPlatformGtk::sDPI = -1;
 gfxFontconfigUtils *gfxPlatformGtk::sFontconfigUtils = nsnull;
 
-static cairo_user_data_key_t cairo_gdk_window_key;
-static cairo_user_data_key_t cairo_gdk_pixmap_key;
-static void do_gdk_pixmap_unref (void *data)
-{
-    GdkPixmap *pmap = (GdkPixmap*)data;
-    gdk_pixmap_unref (pmap);
-}
-
 gfxPlatformGtk::gfxPlatformGtk()
 {
 #ifdef MOZ_ENABLE_GLITZ
@@ -174,14 +166,6 @@ gfxPlatformGtk::CreateOffscreenSurface(const gfxIntSize& size,
                                             size);
         }
 
-        if (pixmap && newSurface) {
-            // set up the surface to auto-unref the gdk pixmap when the surface
-            // is released
-            newSurface->SetData(&cairo_gdk_pixmap_key,
-                                pixmap,
-                                do_gdk_pixmap_unref);
-        }
-
     } else {
 #ifdef MOZ_ENABLE_GLITZ
         glitz_drawable_format_t *gdformat = glitz_glx_find_pbuffer_format
@@ -215,31 +199,6 @@ gfxPlatformGtk::CreateOffscreenSurface(const gfxIntSize& size,
     return newSurface;
 }
 
-GdkDrawable*
-gfxPlatformGtk::GetSurfaceGdkDrawable(gfxASurface *aSurf)
-{
-    GdkDrawable *gd;
-    gd = (GdkDrawable*) cairo_surface_get_user_data(aSurf->CairoSurface(), &cairo_gdk_pixmap_key);
-    if (gd)
-        return gd;
-
-    gd = (GdkDrawable*) cairo_surface_get_user_data(aSurf->CairoSurface(), &cairo_gdk_window_key);
-    if (gd)
-        return gd;
-
-    return nsnull;
-}
-
-void
-gfxPlatformGtk::SetSurfaceGdkWindow(gfxASurface *aSurf,
-                                    GdkWindow *win)
-{
-    cairo_surface_set_user_data(aSurf->CairoSurface(),
-                                &cairo_gdk_window_key,
-                                win,
-                                nsnull);
-}
-
 nsresult
 gfxPlatformGtk::GetFontList(const nsACString& aLangGroup,
                             const nsACString& aGenericFamily,

widget/src/gtk2/nsWindow.cpp

@@ -5931,12 +5931,11 @@ nsWindow::GetThebesSurface()
                  GDK_WINDOW_XWINDOW(d),
                  GDK_VISUAL_XVISUAL(gdk_drawable_get_visual(d)),
                  gfxIntSize(width, height));
-            if (mThebesSurface && !mThebesSurface->CairoStatus()) {
-                gfxPlatformGtk::GetPlatform()->SetSurfaceGdkWindow(mThebesSurface, GDK_WINDOW(d));
-            }
-            else {
+
+            // if the surface creation is reporting an error, then
+            // we don't have a surface to give back
+            if (mThebesSurface && mThebesSurface->CairoStatus() != 0)
                 mThebesSurface = nsnull;
-            }
         } else {
 #ifdef MOZ_ENABLE_GLITZ
             glitz_surface_t *gsurf;