Add effect node support in PaintArtifactCompositor for layer list mode [2/4]

third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h

Index: third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h
diff --git a/third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h b/third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h
index 6a83073612968cdbd45ad42e97e696824aec9e53..1c2f526a1ed931ddcca5ba4dc78cb908543ad193 100644
--- a/third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h
+++ b/third_party/WebKit/Source/platform/graphics/compositing/PaintArtifactCompositor.h
@@ -40,7 +40,6 @@ public:
     ~PaintArtifactCompositor();
 
     // Updates the layer tree to match the provided paint artifact.
-    // Creates the root layer if not already done.
     void update(const PaintArtifact&);
 
     // The root layer of the tree managed by this object.
@@ -53,6 +52,8 @@ public:
 private:
     class ContentLayerClientImpl;
 
+    void updateInLayerListMode(const PaintArtifact&);
+
     // Builds a leaf layer that represents a single paint chunk.
     // Note: cc::Layer API assumes the layer bounds to start at (0, 0) but the bounding box of
     // a paint chunk does not necessarily start at (0, 0) and could even be negative. Internally