cc: Fork OverlayCandidate to CALayerOverlay

cc/output/direct_renderer.h

Index: cc/output/direct_renderer.h
diff --git a/cc/output/direct_renderer.h b/cc/output/direct_renderer.h
index 87e64d68073f4535173bbac4437b4d4d753259f7..012027d1a9cfa1170403e8c3692324da7db8735f 100644
--- a/cc/output/direct_renderer.h
+++ b/cc/output/direct_renderer.h
@@ -10,6 +10,7 @@
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_deque.h"
+#include "cc/output/ca_layer_overlay.h"
 #include "cc/output/overlay_processor.h"
 #include "cc/output/renderer.h"
 #include "cc/raster/task_graph_runner.h"
@@ -57,6 +58,7 @@ class CC_EXPORT DirectRenderer : public Renderer {
     bool disable_picture_quad_image_filtering;
 
     OverlayCandidateList overlay_list;
+    CALayerOverlayList ca_layer_overlay_list;
   };
 
   void SetEnlargePassTextureAmountForTesting(const gfx::Vector2d& amount);
@@ -159,6 +161,10 @@ class CC_EXPORT DirectRenderer : public Renderer {
  private:
   gfx::Vector2d enlarge_pass_texture_amount_;
 
+  // Regions that must be drawn in the next frame because they were represented
+  // as CALayers in the current frame.
+  gfx::Rect next_root_damage_rect_;
+
   DISALLOW_COPY_AND_ASSIGN(DirectRenderer);
 };