WIP: Propagate SurfaceID up window tree hierarchy

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>
 
 #include <map>
 #include <memory>
 #include <set>
 #include <unordered_set>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/quads/render_pass_id.h"
+#include "cc/surfaces/frame_sink_id.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_sequence.h"
 #include "cc/surfaces/surfaces_export.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace ui {
 class LatencyInfo;
 }
 
@@ skipping 40 matching lines @@
   base::WeakPtr<SurfaceFactory> factory() { return factory_; }
 
   // Add a SurfaceSequence that must be satisfied before the Surface is
   // destroyed.
   void AddDestructionDependency(SurfaceSequence sequence);
 
   // Satisfy all destruction dependencies that are contained in sequences, and
   // remove them from sequences.
   void SatisfyDestructionDependencies(
       std::unordered_set<SurfaceSequence, SurfaceSequenceHash>* sequences,
-      std::unordered_set<uint32_t>* valid_id_namespaces);
+      std::unordered_set<FrameSinkId, FrameSinkIdHash>* valid_id_namespaces);
   size_t GetDestructionDependencyCount() const {
     return destruction_dependencies_.size();
   }
 
   const std::vector<SurfaceId>& referenced_surfaces() const {
     return referenced_surfaces_;
   }
 
   bool destroyed() const { return destroyed_; }
   void set_destroyed(bool destroyed) { destroyed_ = destroyed; }
@@ skipping 18 matching lines @@
   std::vector<SurfaceId> referenced_surfaces_;
 
   DrawCallback draw_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Surface);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_SURFACE_H_