Get rid of two callsites of effect_tree.FindNodeIndexFromOwningLayerId.

cc/test/layer_tree_json_parser_unittest.cc

 // Copyright 2013 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_tree_json_parser.h"
 
 #include <stddef.h>
 
 #include "cc/layers/layer.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
@@ skipping 22 matching lines @@
                 layer->children().size()));
   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->bounds(), layer->bounds()));
   RETURN_IF_EXPECTATION_FAILS(
       EXPECT_EQ(layer_impl->position(), layer->position()));
   RETURN_IF_EXPECTATION_FAILS(EXPECT_TRANSFORMATION_MATRIX_EQ(
       layer_impl->test_properties()->transform, layer->transform()));
   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->contents_opaque(),
                                         layer->contents_opaque()));
   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->scrollable(),
                                         layer->scrollable()));
+
   RETURN_IF_EXPECTATION_FAILS(
       EXPECT_FLOAT_EQ(layer_impl->Opacity(), layer->opacity()));
   RETURN_IF_EXPECTATION_FAILS(
       EXPECT_EQ(layer_impl->touch_event_handler_region(),
                 layer->touch_event_handler_region()));
 
   for (size_t i = 0; i < layer_impl->test_properties()->children.size(); ++i) {
     RETURN_IF_EXPECTATION_FAILS(
         EXPECT_TRUE(LayerTreesMatch(layer_impl->test_properties()->children[i],
                                     layer->children()[i].get())));
@@ skipping 62 matching lines @@
   tree->BuildPropertyTreesForTesting();
 
   std::string json = host_impl.LayerTreeAsJson();
   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
   ASSERT_TRUE(root.get());
   EXPECT_TRUE(LayerTreesMatch(host_impl.active_tree()->root_layer_for_testing(),
                               root.get()));
 }
 
 }  // namespace cc