cc: Compute sublayer scale from effect tree

cc/trees/property_tree_unittest.cc

 // Copyright 2014 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/trees/property_tree.h"
 
 #include "cc/input/main_thread_scrolling_reason.h"
 #include "cc/proto/property_tree.pb.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/trees/draw_property_utils.h"
@@ skipping 168 matching lines @@
 TEST(PropertyTreeSerializationTest, EffectNodeDataSerialization) {
   EffectNodeData original;
   original.opacity = 0.5f;
   original.screen_space_opacity = 0.6f;
   original.has_render_surface = false;
   original.transform_id = 2;
   original.clip_id = 3;
   original.mask_layer_id = 6;
   original.replica_layer_id = 10;
   original.replica_mask_layer_id = 9;
+  original.sublayer_scale = gfx::Vector2dF(0.5f, 0.5f);
 
   proto::TreeNode proto;
   original.ToProtobuf(&proto);
   EffectNodeData result;
   result.FromProtobuf(proto);
 
   EXPECT_EQ(original, result);
 }
 
 TEST(PropertyTreeSerializationTest, EffectNodeSerialization) {
@@ skipping 952 matching lines @@
 
 DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
     PropertyTreeTestSingularTransformSnapTest);
 
 #undef DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F
 #undef SERIALIZED_PROPERTY_TREE_TEST_F
 #undef DIRECT_PROPERTY_TREE_TEST_F
 
 }  // namespace
 }  // namespace cc