Make embedded hardware layers work.
Bug #3369474

Change-Id: Ib6d7fb44eedda9dc2933b5e1b176f307968af91d
diff --git a/libs/hwui/LayerRenderer.h b/libs/hwui/LayerRenderer.h
index f2fb898..1e39847 100644
--- a/libs/hwui/LayerRenderer.h
+++ b/libs/hwui/LayerRenderer.h
@@ -51,6 +51,7 @@
 
     bool hasLayer();
     Region* getRegion();
+    GLint getTargetFbo();
 
     static Layer* createLayer(uint32_t width, uint32_t height, bool isOpaque = false);
     static bool resizeLayer(Layer* layer, uint32_t width, uint32_t height);
@@ -61,8 +62,6 @@
     void generateMesh();
 
     Layer* mLayer;
-    GLuint mPreviousFbo;
-
 }; // class LayerRenderer
 
 }; // namespace uirenderer