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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_COMMON_GPU_GPU_SURFACE_LOOKUP_H_
      6 #define CONTENT_COMMON_GPU_GPU_SURFACE_LOOKUP_H_
      7 
      8 #include "ui/gfx/native_widget_types.h"
      9 
     10 namespace content {
     11 
     12 // This class provides an interface to look up window surface handles
     13 // that cannot be sent through the IPC channel.
     14 class GpuSurfaceLookup {
     15  public:
     16   GpuSurfaceLookup() { }
     17   virtual ~GpuSurfaceLookup() { }
     18 
     19   static GpuSurfaceLookup* GetInstance();
     20   static void InitInstance(GpuSurfaceLookup* lookup);
     21 
     22   virtual gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) = 0;
     23 
     24  private:
     25   DISALLOW_COPY_AND_ASSIGN(GpuSurfaceLookup);
     26 };
     27 
     28 }  // namespace content
     29 
     30 #endif  // CONTENT_COMMON_GPU_GPU_SURFACE_LOOKUP_H_
     31