Move cc::ClipNode::target_is_clipped to cc::EffectNode

cc/trees/effect_node.h

Index: cc/trees/effect_node.h
diff --git a/cc/trees/effect_node.h b/cc/trees/effect_node.h
index e1699be82e38bcd1c6963f8b17f6e8dc8ff48cf7..36692ebe9aa2034a5eb3b464d27e9c35a98bb7b7 100644
--- a/cc/trees/effect_node.h
+++ b/cc/trees/effect_node.h
@@ -44,6 +44,13 @@ struct CC_EXPORT EffectNode {
 
   bool has_render_surface;
   RenderSurfaceImpl* render_surface;
+  // Only applicable if has render surface. A true value means a clip needs to
+  // be applied to the output of the surface when it is drawn onto its parent
+  // surface.
+  // TODO(crbug.com/504464): There is ongoing work to delay render surface
+  // decision to later phase of the pipeline. This flag shall be removed and
+  // computed during render surface decision.
+  bool surface_is_clipped;
   bool has_copy_request;
   bool hidden_by_backface_visibility;
   bool double_sided;