cc: Move ownership of surfaces to SurfaceManager

cc/surfaces/surface.h

 // Copyright 2014 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_SURFACES_SURFACE_H_
 #define CC_SURFACES_SURFACE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 112 matching lines @@
 
   bool HasActiveFrame() const { return active_frame_data_.has_value(); }
   bool HasPendingFrame() const { return pending_frame_data_.has_value(); }
   bool HasUndrawnActiveFrame() const {
     return HasActiveFrame() && active_frame_data_->draw_callback;
   }
 
   bool destroyed() const { return destroyed_; }
   void set_destroyed(bool destroyed) { destroyed_ = destroyed; }
 
+  base::WeakPtr<Surface> AsWeakPtr();
+
  private:
   struct FrameData {
     FrameData(CompositorFrame&& frame,
               const base::Closure& draw_callback,
               const WillDrawCallback& will_draw_callback);
     FrameData(FrameData&& other);
     ~FrameData();
     FrameData& operator=(FrameData&& other);
     CompositorFrame frame;
     base::Closure draw_callback;
@@ skipping 27 matching lines @@
 
   base::Optional<FrameData> pending_frame_data_;
   base::Optional<FrameData> active_frame_data_;
   int frame_index_;
   bool closed_ = false;
   bool destroyed_;
   std::vector<SurfaceSequence> destruction_dependencies_;
 
   base::flat_set<SurfaceId> blocking_surfaces_;
 
+  base::WeakPtrFactory<Surface> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(Surface);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_H_