SurfaceAggregator should check whether output is secure when drawin

cc/layers/painted_scrollbar_layer_impl.cc

Index: cc/layers/painted_scrollbar_layer_impl.cc
diff --git a/cc/layers/painted_scrollbar_layer_impl.cc b/cc/layers/painted_scrollbar_layer_impl.cc
index 72027ed81b75070c10aaeb78c9eb423a38879b7f..8014576a4031a62f4603902a00456fbc9228b51d 100644
--- a/cc/layers/painted_scrollbar_layer_impl.cc
+++ b/cc/layers/painted_scrollbar_layer_impl.cc
@@ -112,7 +112,8 @@ void PaintedScrollbarLayerImpl::AppendQuads(
     quad->SetNew(shared_quad_state, scaled_thumb_quad_rect, opaque_rect,
                  scaled_visible_thumb_quad_rect, thumb_resource_id,
                  premultipled_alpha, uv_top_left, uv_bottom_right,
-                 SK_ColorTRANSPARENT, opacity, flipped, nearest_neighbor);
+                 SK_ColorTRANSPARENT, opacity, flipped, nearest_neighbor,
+                 false);
     ValidateQuadResources(quad);
   }
 
@@ -132,7 +133,8 @@ void PaintedScrollbarLayerImpl::AppendQuads(
     quad->SetNew(shared_quad_state, scaled_track_quad_rect, opaque_rect,
                  scaled_visible_track_quad_rect, track_resource_id,
                  premultipled_alpha, uv_top_left, uv_bottom_right,
-                 SK_ColorTRANSPARENT, opacity, flipped, nearest_neighbor);
+                 SK_ColorTRANSPARENT, opacity, flipped, nearest_neighbor,
+                 false);
     ValidateQuadResources(quad);
   }
 }