minor clean-up of the GLESRenderer

Change-Id: I978dea25b7687fbbbb283f09c24e115d9bad49a2
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.h b/services/surfaceflinger/RenderEngine/RenderEngine.h
index 82765c7..bc88b69 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.h
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.h
@@ -87,12 +87,12 @@
     virtual void setupDimLayerBlending(int alpha) = 0;
     virtual void setupLayerTexturing(const Texture& texture) = 0;
     virtual void setupLayerBlackedOut() = 0;
+    virtual void setupFillWithColor(float r, float g, float b, float a) = 0;
 
     virtual void disableTexturing() = 0;
     virtual void disableBlending() = 0;
 
     // drawing
-    virtual void fillWithColor(const Mesh& mesh, float r, float g, float b, float a) = 0;
     virtual void drawMesh(const Mesh& mesh) = 0;
 
     // queries