Merge to XFA: Kill CFX_Object.

Not just a simple merge, but changes to remove CFX_Object from XFA.

Original Review URL: https://codereview.chromium.org/1088733002
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1087053002
diff --git a/core/src/fxge/agg/agg23/agg_vertex_sequence.h b/core/src/fxge/agg/agg23/agg_vertex_sequence.h
index 29486d4..6600bf2 100644
--- a/core/src/fxge/agg/agg23/agg_vertex_sequence.h
+++ b/core/src/fxge/agg/agg23/agg_vertex_sequence.h
@@ -70,7 +70,7 @@
     }
 }
 const FX_FLOAT vertex_dist_epsilon = 1e-14f;
-struct vertex_dist : public CFX_Object {
+struct vertex_dist  {
     FX_FLOAT   x;
     FX_FLOAT   y;
     FX_FLOAT   dist;