cc: Move copy requests from layers to the effect tree

cc/test/layer_test_common.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/layer_test_common.h"
 
 #include <stddef.h>
 
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
@@ skipping 191 matching lines @@
   surface_impl->AppendQuads(
       render_pass_.get(), gfx::Transform(),
       Occlusion(gfx::Transform(), SimpleEnclosedRegion(occluded),
                 SimpleEnclosedRegion()),
       SK_ColorBLACK, 1.f, nullptr, &data, RenderPassId(1, 1));
 }
 
 void EmptyCopyOutputCallback(std::unique_ptr<CopyOutputResult> result) {}
 
 void LayerTestCommon::LayerImplTest::RequestCopyOfOutput() {
-  std::vector<std::unique_ptr<CopyOutputRequest>> copy_requests;
-  copy_requests.push_back(
+  root_layer()->test_properties()->copy_requests.push_back(
       CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
-  root_layer()->PassCopyRequests(&copy_requests);
 }
 
 }  // namespace cc