cc: Use transform node's sorting_context_id in RenderSurfaceImpl

cc/layers/render_surface_impl.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/layers/render_surface_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 343 matching lines @@
                                     SkColor debug_border_color,
                                     float debug_border_width,
                                     LayerImpl* mask_layer,
                                     AppendQuadsData* append_quads_data,
                                     RenderPassId render_pass_id) {
   gfx::Rect visible_layer_rect =
       occlusion_in_content_space.GetUnoccludedContentRect(content_rect());
   if (visible_layer_rect.IsEmpty())
     return;
 
+  const PropertyTrees* property_trees =
+      owning_layer_->layer_tree_impl()->property_trees();
+  int sorting_context_id =
+      property_trees->transform_tree.Node(TransformTreeIndex())
+          ->sorting_context_id;
   SharedQuadState* shared_quad_state =
       render_pass->CreateAndAppendSharedQuadState();
-  shared_quad_state->SetAll(draw_transform, content_rect().size(),
-                            content_rect(), draw_properties_.clip_rect,
-                            draw_properties_.is_clipped,
-                            draw_properties_.draw_opacity, BlendMode(),
-                            owning_layer_->sorting_context_id());
+  shared_quad_state->SetAll(
+      draw_transform, content_rect().size(), content_rect(),
+      draw_properties_.clip_rect, draw_properties_.is_clipped,
+      draw_properties_.draw_opacity, BlendMode(), sorting_context_id);
 
   if (owning_layer_->ShowDebugBorders()) {
     DebugBorderDrawQuad* debug_border_quad =
         render_pass->CreateAndAppendDrawQuad<DebugBorderDrawQuad>();
     debug_border_quad->SetNew(shared_quad_state, content_rect(),
                               visible_layer_rect, debug_border_color,
                               debug_border_width);
   }
 
   ResourceId mask_resource_id = 0;
@@ skipping 19 matching lines @@
 
   RenderPassDrawQuad* quad =
       render_pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
   quad->SetNew(shared_quad_state, content_rect(), visible_layer_rect,
                render_pass_id, mask_resource_id, mask_uv_scale,
                mask_texture_size, Filters(), owning_layer_to_target_scale,
                FiltersOrigin(), BackgroundFilters());
 }
 
 }  // namespace cc