Delete LayerImpl::GetRenderSurface.

cc/layers/layer_impl.cc

 // Copyright 2012 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/layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 914 matching lines @@
 }
 
 gfx::Rect LayerImpl::GetScaledEnclosingRectInTargetSpace(float scale) const {
   gfx::Transform scaled_draw_transform = DrawTransform();
   scaled_draw_transform.Scale(SK_MScalar1 / scale, SK_MScalar1 / scale);
   gfx::Size scaled_bounds = gfx::ScaleToCeiledSize(bounds(), scale);
   return MathUtil::MapEnclosingClippedRect(scaled_draw_transform,
                                            gfx::Rect(scaled_bounds));
 }
 
-RenderSurfaceImpl* LayerImpl::GetRenderSurface() const {
-  DCHECK(effect_tree_index_ != EffectTree::kInvalidNodeId);
-  EffectNode* effect_node = GetEffectTree().Node(effect_tree_index_);
-  if (effect_node->owning_layer_id == id())
-    return GetEffectTree().GetRenderSurface(effect_tree_index_);
-  return nullptr;
-}
-
 RenderSurfaceImpl* LayerImpl::render_target() {
   return GetEffectTree().GetRenderSurface(render_target_effect_tree_index());
 }
 
 const RenderSurfaceImpl* LayerImpl::render_target() const {
   return GetEffectTree().GetRenderSurface(render_target_effect_tree_index());
 }
 
 float LayerImpl::GetIdealContentsScale() const {
   float page_scale = IsAffectedByPageScale()
@@ skipping 27 matching lines @@
 
 ScrollTree& LayerImpl::GetScrollTree() const {
   return GetPropertyTrees()->scroll_tree;
 }
 
 TransformTree& LayerImpl::GetTransformTree() const {
   return GetPropertyTrees()->transform_tree;
 }
 
 }  // namespace cc