Pass a CoglContext when calling cogl_pipeline_new

The experimental cogl_pipeline_new() api was recently changed so it
explicitly takes a CoglContext. This updates all calls to
cogl_pipeline_new() in clutter accordingly.

clutter/clutter-colorize-effect.c

@@ -41,6 +41,8 @@
 #include "config.h"
 #endif
 
+#define CLUTTER_ENABLE_EXPERIMENTAL_API
+
 #include "clutter-colorize-effect.h"
 
 #include "cogl/cogl.h"
@@ -281,8 +283,10 @@ clutter_colorize_effect_init (ClutterColorizeEffect *self)
   if (G_UNLIKELY (klass->base_pipeline == NULL))
     {
       CoglSnippet *snippet;
+      CoglContext *ctx =
+        clutter_backend_get_cogl_context (clutter_get_default_backend ());
 
-      klass->base_pipeline = cogl_pipeline_new ();
+      klass->base_pipeline = cogl_pipeline_new (ctx);
 
       snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
                                   colorize_glsl_declarations,