Remove const LayerImpl* from QuadSink

cc/test/layer_test_common.cc

Index: cc/test/layer_test_common.cc
diff --git a/cc/test/layer_test_common.cc b/cc/test/layer_test_common.cc
index 0f226fa34730832ee16f89181304354d4110687c..a33160368cb60645b0011ec2876b41f1733bae86 100644
--- a/cc/test/layer_test_common.cc
+++ b/cc/test/layer_test_common.cc
@@ -126,7 +126,6 @@ void LayerTestCommon::LayerImplTest::AppendQuadsWithOcclusion(
   AppendQuadsData data;
 
   quad_culler_->clear_lists();
-  quad_culler_->set_layer(layer_impl);
   quad_culler_->set_occluded_target_rect(occluded);
   layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
   layer_impl->AppendQuads(quad_culler_.get(), &data);
@@ -140,7 +139,6 @@ void LayerTestCommon::LayerImplTest::AppendQuadsForPassWithOcclusion(
   AppendQuadsData data(id);
 
   quad_culler_->clear_lists();
-  quad_culler_->set_layer(layer_impl);
   quad_culler_->set_occluded_target_rect(occluded);
   layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
   layer_impl->AppendQuads(quad_culler_.get(), &data);
@@ -154,7 +152,6 @@ void LayerTestCommon::LayerImplTest::AppendSurfaceQuadsWithOcclusion(
   AppendQuadsData data;
 
   quad_culler_->clear_lists();
-  quad_culler_->set_layer(owning_layer_impl);
   quad_culler_->set_occluded_target_rect_for_contributing_surface(occluded);
   bool for_replica = false;
   RenderPass::Id id(1, 1);