Mirroring google3 for CL 47368174.

Change-Id: Ic29d8d6784870660e0bd83f870ec2cf0c244746d
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
index 91bf676..3bb60bb 100644
--- a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
+++ b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
@@ -268,4 +268,9 @@
             }
         }
     }
+
+    // Override this in subclasses
+    public int getStyle() {
+        return -1;
+    }
 }