cc: Move RenderTarget Information to Effect Tree

cc/layers/render_surface_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_RENDER_SURFACE_IMPL_H_
 #define CC_LAYERS_RENDER_SURFACE_IMPL_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 19 matching lines @@
 class LayerImpl;
 class LayerIterator;
 
 struct AppendQuadsData;
 
 class CC_EXPORT RenderSurfaceImpl {
  public:
   explicit RenderSurfaceImpl(LayerImpl* owning_layer);
   virtual ~RenderSurfaceImpl();
 
+  // Returns the RenderSurfaceImpl that this render surface contributes to. Root
+  // render surface's render_target is itself.
+  RenderSurfaceImpl* render_target();
+  const RenderSurfaceImpl* render_target() const;
+
   gfx::PointF ContentRectCenter() const {
     return gfx::RectF(content_rect()).CenterPoint();
   }
 
   // Returns the rect that encloses the RenderSurfaceImpl including any
   // reflection.
   gfx::RectF DrawableContentRect() const;
 
   void SetDrawOpacity(float opacity) {
     draw_properties_.draw_opacity = opacity;
@@ skipping 58 matching lines @@
   bool contributes_to_drawn_surface() const {
     return contributes_to_drawn_surface_;
   }
   void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
     contributes_to_drawn_surface_ = contributes_to_drawn_surface;
   }
 
   void SetContentRect(const gfx::Rect& content_rect);
   gfx::Rect content_rect() const { return draw_properties_.content_rect; }
 
-  void SetAccumulatedContentRect(const gfx::Rect& content_rect);
+  void ClearAccumulatedContentRect();
+  void AccumulateContentRectFromContributingLayer(
+      LayerImpl* contributing_layer);
+  void AccumulateContentRectFromContributingRenderSurface(
+      RenderSurfaceImpl* contributing_surface);
+
   gfx::Rect accumulated_content_rect() const {
     return accumulated_content_rect_;
   }
 
   const Occlusion& occlusion_in_content_space() const {
     return occlusion_in_content_space_;
   }
   void set_occlusion_in_content_space(const Occlusion& occlusion) {
     occlusion_in_content_space_ = occlusion;
   }
@@ skipping 80 matching lines @@
   int target_render_surface_layer_index_history_;
   size_t current_layer_index_history_;
 
   friend class LayerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 };
 
 }  // namespace cc
 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_