cc : Delete LayerImpl::opacity

cc/trees/damage_tracker_unittest.cc

 // Copyright 2011 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/damage_tracker.h"
 
 #include <stddef.h>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 1166 matching lines @@
   // without changing content_bounds of the surface.
   grand_child2->SetPosition(gfx::PointF(180.f, 180.f));
   {
     std::unique_ptr<LayerImpl> grand_child3 =
         LayerImpl::Create(host_impl_.active_tree(), 6);
     grand_child3->SetPosition(gfx::PointF(240.f, 240.f));
     grand_child3->SetBounds(gfx::Size(10, 10));
     grand_child3->SetDrawsContent(true);
     child1->AddChild(std::move(grand_child3));
   }
-  child1->SetOpacity(0.5f);
+  child1->test_properties()->opacity = 0.5f;
   root->layer_tree_impl()->property_trees()->needs_rebuild = true;
   EmulateDrawingOneFrame(root);
 
   // CASE 1: adding a reflection about the left edge of grand_child1.
   //
   ClearDamageForAllSurfaces(root);
   {
     std::unique_ptr<LayerImpl> grand_child1_replica =
         LayerImpl::Create(host_impl_.active_tree(), 7);
     grand_child1_replica->SetPosition(gfx::PointF());
@@ skipping 429 matching lines @@
     gfx::Rect root_damage_rect =
         root->render_surface()->damage_tracker()->current_damage_rect();
     gfx::Rect damage_we_care_about = gfx::Rect(i, i);
     EXPECT_LE(damage_we_care_about.right(), root_damage_rect.right());
     EXPECT_LE(damage_we_care_about.bottom(), root_damage_rect.bottom());
   }
 }
 
 }  // namespace
 }  // namespace cc