cc: Add mask and replica layer ids to the effect tree

cc/layers/render_surface_impl.h

Index: cc/layers/render_surface_impl.h
diff --git a/cc/layers/render_surface_impl.h b/cc/layers/render_surface_impl.h
index eafa789238f45cd55972cf241c90d48becad38ec..707512299e176ece1335e25d8b3cb7745eccdd1c 100644
--- a/cc/layers/render_surface_impl.h
+++ b/cc/layers/render_surface_impl.h
@@ -17,6 +17,7 @@
 #include "cc/quads/render_pass.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/trees/occlusion.h"
+#include "cc/trees/property_tree.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/transform.h"
@@ -141,6 +142,13 @@ class CC_EXPORT RenderSurfaceImpl {
   int OwningLayerId() const;
   bool HasReplica() const;
   const LayerImpl* ReplicaLayer() const;
+  LayerImpl* ReplicaLayer();
+
+  LayerImpl* MaskLayer();
+  bool HasMask() const;
+
+  LayerImpl* ReplicaMaskLayer();
+  bool HasReplicaMask() const;
 
   bool HasCopyRequest() const;
 
@@ -170,6 +178,8 @@ class CC_EXPORT RenderSurfaceImpl {
   void SetContentRect(const gfx::Rect& content_rect);
   gfx::Rect CalculateClippedAccumulatedContentRect();
 
+  const EffectNode* OwningEffectNode() const;
+
   LayerImpl* owning_layer_;
 
   // Container for properties that render surfaces need to compute before they