Delete LayerImpl::GetRenderSurface.

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 801bd007cb90cc143097e5252ed3b36b520bf855..b741dc0d673f87598b02aa9d6806ccd312cb79e0 100644
--- a/cc/test/layer_test_common.cc
+++ b/cc/test/layer_test_common.cc
@@ -31,6 +31,26 @@ namespace cc {
 // Align with expected and actual output.
 const char* LayerTestCommon::quad_string = "    Quad: ";
 
+RenderSurfaceImpl* GetRenderSurface(LayerImpl* layer_impl) {
+  EffectTree& effect_tree =
+      layer_impl->layer_tree_impl()->property_trees()->effect_tree;
+
+  EffectNode* effect_node = effect_tree.Node(layer_impl->effect_tree_index());
+  if (effect_node->owning_layer_id == layer_impl->id())
+    return effect_tree.GetRenderSurface(layer_impl->effect_tree_index());
+  return nullptr;
+}
+
+const RenderSurfaceImpl* GetRenderSurface(const LayerImpl* layer_impl) {
+  EffectTree& effect_tree =
+      layer_impl->layer_tree_impl()->property_trees()->effect_tree;
+
+  EffectNode* effect_node = effect_tree.Node(layer_impl->effect_tree_index());
+  if (effect_node->owning_layer_id == layer_impl->id())
+    return effect_tree.GetRenderSurface(layer_impl->effect_tree_index());
+  return nullptr;
+}
+
 static bool CanRectFBeSafelyRoundedToRect(const gfx::RectF& r) {
   // Ensure that range of float values is not beyond integer range.
   if (!r.IsExpressibleAsRect())