cc : Delete LayerImpl::opacity

cc/layers/solid_color_scrollbar_layer_impl_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/layers/solid_color_scrollbar_layer_impl.h"
 
 #include <stddef.h>
 
 #include "cc/test/layer_test_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 19 matching lines @@
           thumb_thickness,
           track_start,
           is_left_side_vertical_scrollbar,
           is_overlay);
   scrollbar_layer_impl->SetBounds(layer_size);
   scrollbar_layer_impl->SetDrawsContent(true);
   scrollbar_layer_impl->SetCurrentPos(25.f);
   scrollbar_layer_impl->SetClipLayerLength(100.f);
   scrollbar_layer_impl->SetScrollLayerLength(200.f);
   // SolidColorScrollbarLayers construct with opacity = 0.f, so override.
-  scrollbar_layer_impl->SetOpacity(1.f);
+  scrollbar_layer_impl->test_properties()->opacity = 1.f;
 
   impl.CalcDrawProps(viewport_size);
 
   gfx::Rect thumb_rect = scrollbar_layer_impl->ComputeThumbQuadRect();
   EXPECT_EQ(gfx::Rect(0, 500 / 4, 10, layer_size.height() / 2).ToString(),
             thumb_rect.ToString());
 
   {
     SCOPED_TRACE("No occlusion");
     gfx::Rect occluded;
@@ skipping 21 matching lines @@
     LayerTestCommon::VerifyQuadsAreOccluded(
         impl.quad_list(), occluded, &partially_occluded_count);
     // The layer outputs one quad, which is partially occluded.
     EXPECT_EQ(1u, impl.quad_list().size());
     EXPECT_EQ(1u, partially_occluded_count);
   }
 }
 
 }  // namespace
 }  // namespace cc