Share SyncPointManager implementation in in-process cmd buffer

gpu/command_buffer/service/sync_point_manager.h

 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
-#include "base/threading/thread_checker.h"
 #include "gpu/gpu_export.h"
 
+namespace base {
+class SequenceChecker;
+}
+
 namespace gpu {
 
 // This class manages the sync points, which allow cross-channel
 // synchronization.
 class GPU_EXPORT SyncPointManager
     : public base::RefCountedThreadSafe<SyncPointManager> {
  public:
   SyncPointManager();
 
   // Generates a sync point, returning its ID. This can me called on any thread.
@@ skipping 11 matching lines @@
   void AddSyncPointCallback(uint32 sync_point, const base::Closure& callback);
 
   bool IsSyncPointRetired(uint32 sync_point);
 
  private:
   friend class base::RefCountedThreadSafe<SyncPointManager>;
   typedef std::vector<base::Closure> ClosureList;
   typedef base::hash_map<uint32, ClosureList> SyncPointMap;
 
   ~SyncPointManager();
+  void CheckSequencedThread();
 
-  base::ThreadChecker thread_checker_;
+  scoped_ptr<base::SequenceChecker> sequence_checker_;
 
   // Protects the 2 fields below. Note: callbacks shouldn't be called with this
   // held.
   base::Lock lock_;
   SyncPointMap sync_point_map_;
   uint32 next_sync_point_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncPointManager);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_