Fix layer hoisting image filter corner cases

src/gpu/GrLayerHoister.h

Index: src/gpu/GrLayerHoister.h
diff --git a/src/gpu/GrLayerHoister.h b/src/gpu/GrLayerHoister.h
index 9668ba60d54cd04693657b0f5c97da42155f11c6..f30c53c0386e8bec8374b0f477c3fdb63c16fe6d 100644
--- a/src/gpu/GrLayerHoister.h
+++ b/src/gpu/GrLayerHoister.h
@@ -108,9 +108,9 @@ private:
     /** Update the GrTexture in 'layer' with its filtered version
         @param context    Owner of the layer cache (and thus the layers)
         @param device     Required by the filtering code
-        @param layer      A layer needing filtering prior to being composited
+        @param info       Layer info for a layer needing filtering prior to being composited
      */
-    static void FilterLayer(GrContext* context, SkGpuDevice* device, GrCachedLayer* layer);
+    static void FilterLayer(GrContext* context, SkGpuDevice* device, const GrHoistedLayer& info);
 
 };