cc: Move copy requests from layers to the effect tree

cc/layers/layer_impl.h

 // 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.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 135 matching lines @@
   bool is_clipped() const { return draw_properties_.is_clipped; }
 
   void UpdatePropertyTreeTransform();
   void UpdatePropertyTreeTransformIsAnimated(bool is_animated);
   void UpdatePropertyTreeOpacity();
   void UpdatePropertyTreeScrollOffset();
 
   // For compatibility with Layer.
   bool has_render_surface() const { return !!render_surface(); }
 
-  void PassCopyRequests(
-      std::vector<std::unique_ptr<CopyOutputRequest>>* requests);
-  // Can only be called when the layer has a copy request.
-  void TakeCopyRequestsAndTransformToTarget(
-      std::vector<std::unique_ptr<CopyOutputRequest>>* request);
-  bool HasCopyRequest() const { return !copy_requests_.empty(); }
-
   void SetMaskLayer(std::unique_ptr<LayerImpl> mask_layer);
   LayerImpl* mask_layer() { return mask_layer_; }
   const LayerImpl* mask_layer() const { return mask_layer_; }
   std::unique_ptr<LayerImpl> TakeMaskLayer();
 
   void SetReplicaLayer(std::unique_ptr<LayerImpl> replica_layer);
   LayerImpl* replica_layer() { return replica_layer_; }
   const LayerImpl* replica_layer() const { return replica_layer_; }
   std::unique_ptr<LayerImpl> TakeReplicaLayer();
 
@@ skipping 459 matching lines @@
   uint32_t mutable_properties_;
   // Rect indicating what was repainted/updated during update.
   // Note that plugin layers bypass this and leave it empty.
   // This is in the layer's space.
   gfx::Rect update_rect_;
 
   // Denotes an area that is damaged and needs redraw. This is in the layer's
   // space.
   gfx::Rect damage_rect_;
 
-  std::vector<std::unique_ptr<CopyOutputRequest>> copy_requests_;
-
   // Group of properties that need to be computed based on the layer tree
   // hierarchy before layers can be drawn.
   DrawProperties draw_properties_;
   PerformanceProperties<LayerImpl> performance_properties_;
 
   std::unique_ptr<base::trace_event::ConvertableToTraceFormat>
       owned_debug_info_;
   base::trace_event::ConvertableToTraceFormat* debug_info_;
   std::unique_ptr<RenderSurfaceImpl> render_surface_;
 
   bool scrolls_drawn_descendant_;
   bool has_will_change_transform_hint_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_